25 On-premises mobile automation testing tools

on premises mobile test automation tools

20 February 2024 Stephan Petzl Leave a comment Tools & Frameworks

In the rapidly evolving landscape of mobile application development, Chief Technology Officers (CTOs) and Quality Assurance (QA) teams face the critical challenge of ensuring high-quality software while adhering to stringent data security and regulatory compliance requirements. To address these needs, on-premise mobile automation testing tools have become indispensable.

These tools provide full control over testing environments, allowing for necessary customizations, and ensuring that sensitive data remains within the confines of company premises.

This article introduces 25 top-tier on-premise mobile automation testing tools that cater to both Android and iOS platforms, each offering unique capabilities to enhance testing efficiency and reliability for critical operations. From the cross-platform UI testing prowess of Repeato to the AI-enhanced test creation of testRigor, and the advanced synchronization features of Earl Grey, we delve into the features that make these tools stand out. Whether you require swift snapshot testing with Swift Snapshot Testing, parallel test execution with Flank, or visual consistency with Screenshot-tests for Android, our curated list includes a solution for every need. We also explore cutting-edge frameworks like Espresso and Appium, which have set industry standards for mobile test automation.

Join us as we guide you through these essential on-premise solutions, designed to meet your team’s specific requirements for performance, privacy, and compliance in the complex domain of mobile app testing.

Latest update: 1/31/2024, 3:46:08 PM
We do not guarantee the accuracy, reliability, or completeness of the information presented on our website. This includes prices, product specifications, and availability, which are subject to change. The reviews on this site are collected from g2.com and crozdesk.com and summarized by us.

A Comparison of 25 On-premise mobile automation testing tools

Below is a comparison table that highlights the differences in features, platforms, Github stats, included support, and ease of use for a selection of automated testing tools:

Product nameShort description and featuresPlatformsGithub statsSupport includedEase of use
RepeatoMobile test automation tool using AI and computer vision for no-code UI testing. Integrates with CI/CD pipelines.Android, iOSN/AVery easy
UI AutomatorAndroid UI testing framework requiring coding skills, supports cross-app testing and manipulation of device state.AndroidN/AAdvanced knowledge
FlankTest runner for parallel execution, extends gcloud CLI. Integrates with Firebase Test Lab.Android, iOS🍴 121, ⭐️ 658, 📝 1685,
Last update: 2024-01-02
Expert knowledge
KatalonQuality management platform with tools for test authoring, execution, and analysis. AI-augmented testing.Web, Android, iOSN/AEasy
testRigorAI-based testing with a no-code approach, supports various testing types and integrates with development tools.Web, Android, iOSN/AVery easy
Swift Snapshot TestingSnapshot testing strategies for UI elements, integrates with XCTest.iOS🍴 520, ⭐️ 3480, 📝 313,
Last update: 2024-01-02
Expert knowledge
TestCafeNode.js tool for end-to-end web testing. Supports various environments and offers live mode for rapid iteration.Web🍴 700, ⭐️ 9716, 📝 3424,
Last update: 2024-01-08
Expert knowledge
DetoxGray box E2E testing for mobile apps, particularly for React Native, on Android and iOS.Android, iOS🍴 1948, ⭐️ 10742, 📝 4681,
Last update: 2024-01-08
Expert knowledge
Earl GreyUI automation test framework for iOS with advanced synchronization features.iOS🍴 770, ⭐️ 5555, 📝 784,
Last update: 2023-09-09
Expert knowledge
Screenshot-tests for AndroidAutomates screenshot captures during tests to ensure visual quality in Android apps.Android🍴 242, ⭐️ 1725, 📝 551,
Last update: 2023-11-14
Expert knowledge
ShotAndroid screenshot testing tool supporting traditional views and Jetpack Compose. Integrates with Gradle.Android🍴 119, ⭐️ 1135, 📝 315,
Last update: 2023-09-06
Expert knowledge
TestsigmaLow-code automation platform for testing mobile, web, and API applications. AI-driven with cloud support.Web, Android, iOSN/AVery easy
iOSSnapshotTestCaseSnapshot testing framework for UIView and CALayer, compares UI components against reference images.iOS🍴 219, ⭐️ 1745, 📝 358,
Last update: 2023-06-29
Expert knowledge
Playwright for AndroidNode.js library for web application automation and experimental support for Android devices.AndroidN/AAdvanced knowledge
EspressoAndroid framework for concise, readable UI tests with rapid execution and broad API compatibility.AndroidN/AAdvanced knowledge
DropshotsAndroid library for on-device screenshot testing with integration for Android Instrumentation tests.Android🍴 17, ⭐️ 255, 📝 127,
Last update: 2023-08-07
Expert knowledge
PlaywrightNode.js library for browser automation, supporting Chromium, Firefox, WebKit with a test runner and debugging tools.Web🍴 3239, ⭐️ 57924, 📝 11868,
Last update: 2024-01-08
Expert knowledge
ApplitoolsAI-powered test automation platform using Visual AI for software testing and Eyes validation engine.Web, Android, iOSN/AEasy
TimeMachineAutomated testing tool managing application states through virtualization, uses Android Emulator and Jacoco.Android🍴 23, ⭐️ 103, 📝 101,
Last update: 2022-07-04
Expert knowledge
AppiumOpen-source framework for cross-platform testing using WebDriver protocol, supports multiple programming languages.Web, Android, iOS🍴 5946, ⭐️ 17385, 📝 10536,
Last update: 2024-01-08
Expert knowledge
MarathonTest automation tool with batching, device pools, and sharding. Requires a Marathonfile for configuration.Android, iOS🍴 116, ⭐️ 541, 📝 1862,
Last update: 2023-12-22
Expert knowledge
PaparazziAndroid library for UI documentation and visual testing, capturing screenshots without a physical device.Android🍴 203, ⭐️ 2046, 📝 1299,
Last update: 2024-01-08
Expert knowledge
RobolectricUnit testing framework for Android apps in the JVM, supports multiple API levels from KitKat to the latest.Android🍴 1355, ⭐️ 5755, 📝 13454,
Last update: 2024-01-08
Expert knowledge
Accessibility SnapshotFramework for iOS app accessibility testing, captures snapshots of the accessibility hierarchy.iOS🍴 50, ⭐️ 459, 📝 206,
Last update: 2024-01-03
Expert knowledge
Android TestifyCaptures and compares application view screenshots to ensure UI quality. Integrates with Android Studio.Android🍴 4, ⭐️ 83, 📝 645,
Last update: 2024-01-03
Expert knowledge

This table compares various automated testing tools across different platforms and features. Note that “Github stats” provide an insight into community engagement and project activity, with higher numbers generally indicating a well-developed and established tool. “Support included” indicates whether the tool comes with customer or community support. “Ease of use” is a subjective measure based on whether the tool requires coding skills or offers a no-code solution.

Let’s take a closer look at the 25 On-premise mobile automation testing tools:


For CTOs and QA teams requiring stringent data security, regulatory compliance, and robust performance, Repeato provides a compelling solution for on-premise mobile automation testing. This tool facilitates UI test creation for both Android and iOS applications in a controlled environment, granting full operational oversight without compromising sensitive data.

Efficient Automation Without Coding

Repeato’s no-code platform allows for the automation of mobile app testing directly on physical devices, streamlining the QA process. Its intuitive design enables test case creation and maintenance with minimal technical expertise, ensuring a seamless integration into your existing workflow.

Key Benefits

  • Streamlined Setup: Repeato can be implemented swiftly, reducing the initial time investment typically required for test automation setup.
  • Cross-Framework Compatibility: With support for Flutter, React Native, Xamarin, and Unreal Engine, Repeato adapts to various development ecosystems.
  • Enhanced Test Management: The tool simplifies test organization, facilitating efficient regression checks and bug tracking integration.
  • CI/CD Pipeline Integration: Repeato’s CLI headless test runner enables cloud-based test execution, compatible with leading CI/CD tools.

Cost-Effective Testing

By minimizing the resources needed for test automation and maintenance, Repeato offers a cost-efficient alternative for organizations, underscoring the potential for considerable savings over traditional methods.

Practical Approach to Testing

Leveraging computer vision and machine learning, Repeato enhances test robustness, enabling quick adaptations to new test scenarios. Compared to other on-premise mobile automation testing tools, it simplifies the user experience without necessitating in-depth coding knowledge.

Implementing Repeato

Incorporating Repeato into your quality assurance process involves a straightforward setup of Repeato-Studio, enabling automated testing across different devices and seamless integration with your CI/CD pipelines.

Repeato stands out as an on-premise Android and iOS automation testing tool, tailored to meet the critical demands of secure, reliable, and customizable mobile application testing.

Pros and cons of Repeato

Pros of Repeato

  1. Simple and intuitive interface
  2. Easy setup process, no complex configurations needed
  3. Accessibility for both developers and non-programmers
  4. Supports various testing methods like clicks, drags and scripting
  5. Exceptional stability, no crashes or driver issues
  6. Regular updates with bug fixes and excellent customer support
  7. Great for mobile app testing, with efficient script creation
  8. Allows for hundreds of additional tests each day
  9. User-friendly, with easy adaptation and no initial setup required
  10. Recognizes elements using visual fingerprints for testing
  11. Allows for reusability and easy maintenance of scripts
  12. No prior training or complex coding skills needed

Cons of Repeato

  1. Some limitations for iOS applications when tapping on any system window outside of the app
  2. Access to CI/CD tools is only available at the enterprise level
  3. Occasional unknown errors while performing basic tasks, although they are quickly remedied in the next version.

More relevant posts:

UI Automator

Automation Testing with UI Automator

For CTOs and QA teams seeking a robust on-premise mobile automation testing tool, particularly for Android, UI Automator offers a comprehensive framework tailored to user interface testing. It supports the automation of user interactions with both system and third-party applications, ensuring thorough quality checks prior to deployment.

Core Functionalities

  • Cross-Application Testing: UI Automator excels at scenarios involving multiple apps, facilitating seamless automation of complex workflows.
  • Device State Management: The API grants control over device states, like orientation changes, and enables screenshot captures during tests.
  • JUnit 4 Integration: Leverage structured test cases with AndroidJUnitRunner for consistent and repeatable test assertions.

Setup and Requirements

UI Automator is compatible with Android 4.3 (API level 18) and above. Setup requires including the UI Automator library in your project’s build.gradle:


Test Development

  • Device Interaction: Utilize the UiDevice class for simulating physical actions, like pressing the Home button.
  • UI Component Interaction: Harness APIs such as UiObject2 and BySelector for precise UI element manipulation.
  • Element Inspection: The uiautomatorviewer tool aids in examining UI components, crucial for crafting accurate tests.

Executing Tests

Run UI Automator tests directly from Android Studio or through the command line, ensuring that AndroidJUnitRunner is the specified runner.

Security and Compliance

For organizations with strict data security and regulatory compliance requirements, UI Automator as an on-premise android automation testing tool stands out. It provides the necessary control and customization options to keep sensitive data within the premises, maintaining privacy and adhering to stringent policies.

Incorporating UI Automator into your mobile testing strategy can enhance performance and reliability, meeting the high standards expected in critical operations.

More relevant posts:


For CTOs and QA teams requiring robust on-premise mobile automation testing tools, Flank offers a compelling solution that aligns with stringent data security and regulatory compliance needs. Flank is a parallel test runner compatible with Android and iOS platforms, designed to facilitate efficient and reliable test execution within your controlled environment.

Streamlined Test Automation with Flank

  • Parallel Execution: Accelerate your testing process by running tests concurrently across multiple devices, significantly cutting down on test suite execution time.
  • Configurable with YAML: Simplify test setup with human-readable YAML configurations, enabling quick adjustments and a manageable workflow.
  • Integration with gcloud CLI: Seamlessly incorporate Flank into your existing Google Cloud-powered workflows, enhancing your control over the Firebase Test Lab resources.

Enhanced Testing Process

Flank empowers developers to configure tests easily, initiate rapid parallel test runs, and analyze detailed results for swift issue resolution. Its open-source nature ensures a well-documented support system, facilitating integration into GitHub Actions and CI/CD pipelines for automated and consistent testing.

Optimizing Development Workflows

In the realm of mobile development, Flank serves as an essential tool to meet the dual demands of speed and quality. By integrating Flank, your team can achieve faster development cycles and maintain high software quality standards, all while keeping sensitive data on-premise for maximum privacy and compliance.


  • Parallel Test Execution: Runs tests concurrently across multiple devices in Firebase Test Lab, reducing the time for test execution.
  • YAML Configuration: Allows users to configure test runs using YAML for straightforward and manageable setup.
  • gcloud CLI Compatibility: Integrates seamlessly with the gcloud command-line interface for managing Google Cloud resources.
  • Additional Functionality: Offers extra features beyond what the gcloud CLI provides for more refined control over test runs and results.
  • Detailed Results Analysis: Provides detailed results to help developers quickly identify failures or issues after test completion.

Github stats:

  • Forks: 121
  • Stars: 659
  • Commits: 1681
  • Last commit on: 2023-12-06T17:29:43Z

More relevant posts:


For CTOs and QA teams requiring stringent data security and regulatory compliance, Katalon presents an on-premise mobile automation testing platform that addresses these needs effectively. Katalon Studio is tailored for teams seeking a balance between low-code convenience and full-code robustness, enhancing the efficiency of on-premise android and iOS automation testing with AI-augmented capabilities.

Key Features

  • Test Authoring: Rapid test development with no-code, low-code, and full-code options in Katalon Studio.
  • Scalable Solutions: Katalon’s testing solutions grow with your team’s needs, offering on-demand test environments.
  • Centralized Test Management: Katalon TestOps integrates with tools like Jira to align testing strategies with business goals.
  • AI-Powered Testing: Features like self-healing tests and smart wait scheduling in Katalon Runtime Engine improve reliability.
  • Comprehensive Coverage: Unified testing experience for web, mobile, API, and desktop applications within a single platform.

Practical Application

  • Enterprise-Level Testing: Ensures performance and reliability for mission-critical operations, with a focus on privacy and in-house data retention.
  • Industry-Specific Solutions: Supports specialized testing requirements across finance, healthcare, telecoms, and more.
  • Seamless Integrations: Fits into existing DevOps ecosystems to streamline workflows without complex workarounds.

Katalon provides extensive support resources, including an academy, community forums, and technical assistance, ensuring your team is well-equipped to deploy effective on-premise testing solutions. Start with a free trial to explore the comprehensive features that Katalon has to offer.

Pros and cons of Katalon


  • Reduced Effort in Test Maintenance: Users report that Katalon simplifies the creation and maintenance of reusable methods, which can reduce time and effort significantly.
  • Built-in Reporting Features: The platform automatically captures snapshots on test failures, which enhances the efficiency of reporting.
  • Comprehensive Test Features: Offers features like Record, Object Spy, and Frame Handling, which streamline the testing process.
  • Low Learning Curve: Katalon is accessible to manual testers, allowing them to transition to automation testing with minimal training.
  • Cross-Functional Testing Support: It supports UI, API, and Mobile testing within a single platform, reducing the need to manage different tools for different types of testing.
  • Community and Customer Support: There is strong community support for the free version and dedicated customer support for the paid version.
  • Facilitates Cross-Functional Roles: Enables testers to handle both manual and automated testing, effectively becoming cross-functional team members.
  • CI/CD Integration: For those who opt for the paid version, it offers Continuous Integration/Continuous Deployment integration.
  • Codeless Automation: Provides a codeless automation option, making it accessible for teams with limited coding knowledge.
  • Efficiency in Test Execution: Users find that Katalon allows for faster test execution compared to manual testing, enabling more extensive and frequent testing.


  • Separate Licensing: Some users find the need for separate licenses for different features to be a disadvantage.
  • Cost for Advanced Features: Advanced features like CI/CD integration and Visual Testing require a paid license.
  • Mobile Execution Issues: There have been reports of instability during mobile test execution, where sessions unexpectedly close.
  • High Resource Usage: Users with less powerful hardware have experienced performance issues, indicating the platform may require substantial system resources.
  • Lack of Support for Legacy Systems: Katalon currently does not support automation testing for legacy Java UIs, which can be a limitation for some organizations.
  • Limited TestOps Analytics: The free version has limitations on the analytical results available through TestOps, pushing users towards the paid version for full functionality.
  • Separate Licensing for Cloud Features: Features like Parallel Cloud Execution and Cloud Tunnelling require additional licensing, which can increase costs.
  • Limited Free Features: Some users feel that the most valuable features are locked behind the paid version, which can be a barrier for smaller teams or individual users.
  • Hardware Demands: The platform’s demand on hardware resources can lead to slower performance on less capable machines.
  • No Bundled Packages: Users would prefer bundled packages for the various Katalon products to simplify licensing and possibly reduce costs.

More relevant posts:


testRigor stands out in the realm of on-premise mobile automation testing tools with its Generative AI technology. It streamlines the creation and execution of tests, transforming plain English instructions into automated test steps. This feature is pivotal for CTOs and QA teams requiring an on-premise Android automation testing tool or an on-premise iOS automation testing tool that meets stringent data security and regulatory compliance.

AI-Powered Test Creation

The platform’s AI translates natural language into precise test actions, catering to both Android and iOS applications. This capability not only enhances productivity but also ensures tests remain understandable and maintainable.

Extensive Testing Support

testRigor excels in various testing domains:

  • Web, mobile, and desktop applications
  • API, email, and SMS functionalities
  • Integration with 2FA processes

Efficiency and Integration

By reducing test maintenance by up to 99.5%, testRigor allows QA teams to allocate resources to more critical tasks. It integrates seamlessly with industry-standard tools, enhancing existing workflows without compromising on security standards such as SOC2 and HIPAA.

User-Centric Testing

The tool is designed for teams needing to maintain control over testing software, offering customization and secure, reliable performance. Its no-code approach empowers teams to build tests from the user perspective, facilitating rapid expansion of test coverage.

To explore testRigor’s capabilities, teams are encouraged to begin with a custom demo or the free version, with additional resources available to assist in the automation journey.

Pros and cons of testRigor


  1. Allows writing and generating test scripts using plain English statements.
  2. Offers integration with various tools such as JIRA and TestRail.
  3. Capable of running tests on multiple browsers and devices simultaneously.
  4. Features automatic test script generation, saving time and effort.
  5. Provides efficient customer support, ensuring ease of use and implementation.
  6. Eliminates the need for learning different programming languages or testing frameworks.
  7. Enables the entire team to write end-to-end UI tests quickly without programming knowledge.
  8. Generates human-readable test scripts that are easily understandable by anyone.
  9. Automates test cases in a very short span of time.
  10. Serves as a scalable solution for building a software testing process in non-software companies.


  1. The tool has been reported to crash occasionally, leading to more test case failures.
  2. The cost of server resources may be a concern for some users.
  3. Lacks educational materials to help improve QA efficiency for companies with less experience.
  4. Some users have experienced issues with server responsiveness.
  5. Initial challenges may be faced by companies with a limited QA team and lack of software testing knowledge.

More relevant posts:

Swift Snapshot Testing

For CTOs and QA teams who prioritize data security, regulatory compliance, and reliable performance, SnapshotTesting offers a robust on-premise mobile automation testing tool tailored to Swift applications. This library streamlines snapshot testing—a method comparing current outputs with reference snapshots, ensuring consistency and correctness in your app’s UI elements and data formats.

Simplified Snapshot Testing Process

With SnapshotTesting, initiating snapshot tests is straightforward. By importing the library and utilizing the assertSnapshot function, you can validate UI components against reference snapshots, which are automatically created upon the first test run.

import SnapshotTesting
import XCTest

class MyViewControllerTests: XCTestCase {
  func testMyViewController() {
    let vc = MyViewController()
    assertSnapshot(matching: vc, as: .image)

To update or generate new snapshots, simply set the record mode to true.

Customizable Testing Strategies

SnapshotTesting’s versatility is evident in its support for various data formats and the ability to implement custom strategies, such as testing against both visual and textual representations. This feature is particularly useful for on-premise Android and iOS automation testing tools, ensuring they cater to the unique requirements of different devices and orientations.

assertSnapshot(matching: vc, as: .image(on: .iPhoneX))

Comprehensive Integration

The library can be integrated using popular dependency managers like Xcode 11, Swift Package Manager, Carthage, and CocoaPods. It is compatible with iOS, macOS, Linux, and tvOS platforms, offering specialized support for multiple frameworks and the ability to incorporate custom diff tools.

Extensive Ecosystem and Resources

SnapshotTesting is complemented by an ecosystem of plug-ins for additional functionalities such as HTML document testing, database migrations, and accessibility testing. It also provides learning resources for those seeking to deepen their understanding of snapshot testing principles.


Released under the MIT license, SnapshotTesting allows for modification and use within the confines of the license, providing an adaptable solution for on-premise mobile automation testing tools that meet strict compliance and data security standards.


  1. Supports dozens of snapshot strategies for a wide range of value types.
  2. Allows for the creation of custom snapshot strategies.
  3. Requires no configuration, with automatic snapshot saving.
  4. Provides device-agnostic snapshot testing.
  5. Integrates seamlessly with Xcode for image and text difference reporting.

Github stats:

  • Forks: 518
  • Stars: 3453
  • Commits: 311
  • Last commit on: 2023-11-27T19:00:38Z

More relevant posts:


TestCafe provides a Node.js-based solution for on-premise mobile automation testing, ensuring complete control over testing environments and addressing stringent data security requirements. With its capability to run tests on both Android and iOS devices, TestCafe caters to organizations that prioritize high performance and reliability in their QA processes.

Essential Features for Secure, Efficient QA Operations

  • Cross-Platform Support: TestCafe facilitates testing across various operating systems, including Windows, MacOS, and Linux, and is compatible with desktop and mobile browsers, making it a versatile on-premise android automation testing tool and on-premise iOS automation testing tool.

  • Straightforward Setup: Deploying TestCafe is as easy as executing a single npm command, streamlining the integration into existing testing pipelines without the need for third-party software.

  • Community-Driven Enhancements: As an open-source tool with an MIT license, TestCafe benefits from community contributions, ensuring continuous improvement and customization opportunities.

  • Automated Test Execution: The framework’s handling of asynchronous operations and page loads, along with smart assertions, heightens test stability and efficiency.

  • Accelerated Development Cycle: Live mode enables quick test iterations by automatically restarting tests upon code changes.

  • Advanced Language Features: Support for ES2017 and TypeScript appeals to development teams seeking the advantages of modern, strongly typed languages.

  • Robust Error Reporting: TestCafe’s error detection capabilities can automatically identify and report JavaScript errors, maintaining the integrity of the testing process.

  • Parallel Testing: The concurrent testing feature reduces test execution time by running multiple browser instances simultaneously.

  • PageObject Pattern Compliance: Reusable page object models are supported, promoting maintainable and scalable test code.

  • CI/CD Integration: Compatibility with popular Continuous Integration systems like Jenkins and Travis ensures TestCafe fits seamlessly into professional development workflows.

TestCafe’s focus on security and efficiency makes it an ideal on-premise mobile automation testing solution for CTOs and QA teams with specific regulatory and compliance requirements. Its extensive documentation, active community, and robust plugin ecosystem provide the necessary support to tailor the testing process to the unique needs of each organization.


  • Environment Compatibility: Operates on Windows, MacOS, and Linux; supports desktop, mobile, remote, and cloud browsers, with UI and headless modes.
  • Quick Setup: Simple installation with just one command and no need for additional WebDriver software.
  • Stable and Efficient Tests: Automatically handles page loads and asynchronous operations, provides smart assertions and test actions.
  • Live Mode: Enables immediate test restarts when test code is changed, facilitating rapid test iteration.
  • Concurrent Testing: Allows running tests in parallel across multiple browser instances to reduce test execution time.

Github stats:

  • Forks: 700
  • Stars: 9719
  • Commits: 3415
  • Last commit on: 2023-12-13T06:44:20Z

More relevant posts:

Detox by Wix

Detox stands out as an on-premise mobile automation testing tool, providing CTOs and QA teams with a secure and reliable solution for gray box end-to-end (E2E) testing of mobile applications. This JavaScript framework is adept at simulating user interactions within a React Native app, supporting both on-premise Android automation testing tool and on-premise iOS automation testing tool requirements.

Secure Testing with Detox

For organizations prioritizing data security and regulatory compliance, Detox ensures that sensitive data remains within the confines of company premises. The framework’s ability to run tests on actual devices or simulators aligns with the stringent performance and reliability standards required for critical operations.

Features Tailored for Compliance and Performance

  • Cross-Platform Support: Detox’s capability to handle React Native apps on Android and iOS platforms aligns with diverse development needs.
  • Debugging Efficiency: The async-await API simplifies setting breakpoints, enhancing the debugging process.
  • Automatic Synchronization: Test reliability is improved due to the automatic handling of asynchronous app operations.
  • CI Adaptability: Its compatibility with CI platforms like Travis CI and Jenkins aids in integrating secure testing into development pipelines.
  • Real Device Testing: By testing on real devices or simulators, Detox increases the confidence in app performance, mirroring actual user behavior.

Compatibility and Community

Detox supports the latest React Native versions and has an active community for collaborative problem-solving and feature enhancements. The tool’s open-source nature, under the MIT License, invites contributions and customization, which is essential for teams needing tailored testing solutions.

Detox is a strategic choice for CTOs and QA teams looking for an on-premise solution that delivers control, customization, and compliance without compromising on testing quality.


  1. Cross-Platform Support: Write E2E tests in JavaScript for React Native applications on both Android and iOS platforms.
  2. Debugging Made Simpler: Utilizes an async-await API that allows for setting breakpoints in asynchronous tests.
  3. Automatic Synchronization: Reduces test flakiness by automatically synchronizing with the app’s asynchronous operations.
  4. CI-Friendly: Compatible with continuous integration platforms like Travis CI, Circle CI, or Jenkins.
  5. Real Device Testing: Increases app confidence by testing on actual devices or simulators, providing a closer approximation to real user behavior.

Github stats:

  • Forks: 1949
  • Stars: 10711
  • Commits: 4648
  • Last commit on: 2023-12-19T15:39:08Z

More relevant posts:

Earl Gray by Google

For CTOs and QA teams requiring stringent data security and regulatory compliance, EarlGrey stands out as an on-premise iOS automation testing tool. This open-source framework is tailored to facilitate precise iOS UI test automation while maintaining full control over the testing environment.

Seamless XCTest Framework Integration

EarlGrey operates in conjunction with the XCTest framework, a component of Xcode’s testing suite, providing a streamlined experience for running tests within the Xcode environment or via command line.

Key Features

  • Synchronization: EarlGrey ensures that the UI is interaction-ready by synchronizing with UI elements, network requests, and queues.
  • Custom Timing: For scenarios where default synchronization falls short, EarlGrey allows for manual timing adjustments.
  • API Clarity: The API’s simplicity aids developers in writing clear, concise tests without unnecessary complexity.

Transition to EarlGrey 2.0

With the deprecation of EarlGrey 1.0, the transition to EarlGrey 2.0 is recommended to leverage its extended capabilities and support for iOS 13 and beyond.

Initial Setup Guide

Begin with EarlGrey by reviewing the documentation for setup instructions, ensuring compatibility with your existing tests, and integrating EarlGrey into your project.

Support Network

A robust support system is available, including FAQs, a dedicated Google Group, and a Slack channel, to assist users in resolving issues and engaging with the EarlGrey community.

Privacy Considerations

EarlGrey collects usage data to refine the framework while providing opt-out configurations for those with privacy concerns.

Contributions and Enhancements

Contributors can engage with EarlGrey’s development by adhering to the CONTRIBUTING.md guidelines, ensuring the framework’s growth and evolution align with user needs.

EarlGrey is a reliable solution for on-premise mobile automation testing tools, offering customization, performance, and compliance for secure, high-quality iOS UI testing.

Github stats:

  • Forks: 770
  • Stars: 5553
  • Commits: 784
  • Last commit on: 2023-09-09T20:16:51Z

More relevant posts:

Screenshot-tests for Android by Facebook

In the realm of mobile application development, maintaining visual consistency and catching regressions is paramount. For CTOs and QA teams requiring on-premise solutions that adhere to stringent data security and regulatory compliance, an on-premise mobile automation testing tool like Screenshot Tests for Android offers a reliable choice.

Deterministic and Integrated Testing
This library stands out for its deterministic approach to screenshot generation, utilizing Android’s core methods to produce consistent outputs essential for identifying visual changes. It’s tailored to fit seamlessly into continuous integration workflows, ensuring that quality is upheld through every iteration.

Customizable and Developer-Friendly
The tool provides developers with the flexibility to work on layouts and views in a real Android environment, enhancing productivity and reducing the need to compile the entire application. Its modular structure allows for customization and integration with various project configurations, catering to specific on-premise needs.

System Compatibility and Requirements
Screenshot Tests for Android is compatible with MacOS and Linux, with a Windows-compatible version open for contributions. It requires Python 2.7 and the Python Pillow library, which can be installed to facilitate screenshot recording and verification.

Streamlined Workflow with Remote Services
For teams utilizing remote testing services, the library accommodates a “disconnected” workflow, allowing screenshots to be collected and verified locally, satisfying the demand for high-performance and secure testing practices.

Open-Source Community and Licensing
The tool is open-source under the Apache License, Version 2.0, enabling broad use and modification. It is actively maintained by a community of developers, ensuring that it evolves to meet the needs of the most secure and performance-critical operations.

For organizations prioritizing on-premise solutions, Screenshot Tests for Android provides a dependable on-premise Android automation testing tool that can be tailored to meet stringent performance, privacy, and compliance requirements.


  • Deterministic Screenshots: Produces highly deterministic screenshots using Android’s measure(), layout(), and draw() methods.
  • Development Utilities: Offers utilities for immediate view or layout rendering in a real Android environment, with support for multiple configurations.
  • Integration with CI: Enables reliable detection of visual regressions during automated testing in continuous integration pipelines.
  • Remote Service Integration: Supports a disconnected workflow with remote testing services, allowing screenshots to be collected, verified, and recorded using specific Gradle tasks.
  • Modular Structure: The library consists of various modules such as core, plugin, layout-hierarchy-common, and layout-hierarchy-litho for enhanced functionality and integration.

Github stats:

  • Forks: 242
  • Stars: 1723
  • Commits: 551
  • Last commit on: 2023-11-14T20:09:47Z

More relevant posts:


For CTOs and QA teams requiring stringent data security and compliance adherence, on-premise mobile automation testing tools are vital. Shot, an on-premise Android automation testing tool, exemplifies these needs, offering a structured framework for screenshot testing within Android applications. It is equipped with a Gradle plugin and core library to facilitate the integration of screenshot tests into development workflows.

Screenshot Test Implementation for Android and Jetpack Compose UI

Shot enables the writing of screenshot tests for both traditional Android views and Jetpack Compose UI components. It ensures a smooth setup for developers, with necessary modifications to the build.gradle file and easy configuration of the ShotTestRunner. Moreover, the tool addresses common CI rendering issues by recommending specific emulator configurations.

Customizable Gradle Tasks and Test Execution

The tool provides customizable Gradle tasks for recording and verifying screenshots, accommodating different build types and flavors. Developers can execute tests with simple commands, and Shot generates detailed error reports upon finding discrepancies, thereby guaranteeing high performance and reliability for critical operations.

Advanced Features and API Level Support

Shot boasts advanced features such as support for API levels 28+, methods for capturing various UI components, and tolerance settings for image comparison. It also integrates seamlessly with CI environments, producing HTML reports and base64 outputs for screenshot discrepancies, which is essential for QA teams focused on maintaining privacy and control over their testing software.

Ensuring Visual Consistency with On-Premise Solutions

While Shot caters to on-premise Android automation testing tool needs, iOS developers can utilize Swift Snapshot Testing for a similar on-premise iOS automation testing tool approach. Shot’s compatibility with different AGP versions ensures that it can adapt to various Android library testing scenarios, making it a reliable choice for organizations prioritizing on-premise solutions to meet strict regulatory requirements and maintain visual consistency.


  1. Provides a structured approach for writing screenshot tests, including a ScreenshotTest interface and ShotTestRunner.
  2. Enables screenshot testing for both traditional Android views and Jetpack Compose UI components.
  3. Offers various Gradle tasks for recording, verifying, and managing screenshots.
  4. Allows setting tolerance levels for image comparison and generates detailed error reports.
  5. Supports integration with continuous integration environments and generates HTML reports for failures.

Github stats:

  • Forks: 119
  • Stars: 1134
  • Commits: 315
  • Last commit on: 2023-09-06T06:28:58Z

More relevant posts:


Testsigma stands out as a comprehensive on-premise mobile automation testing tool, catering to the stringent demands of CTOs and QA teams. Its on-premise solution ensures full control over test automation, crucial for organizations prioritizing data security, regulatory compliance, and high-performance needs.

On-Premise Testing for Android and iOS

  • On-premise Android Automation Testing Tool: Tailored for Android apps, Testsigma maintains data privacy and adheres to compliance requirements while facilitating robust testing environments.
  • On-premise iOS Automation Testing Tool: Customizable and secure, Testsigma provides iOS application testing within your controlled infrastructure, ensuring consistent performance and reliability.

Testsigma Enterprise for Advanced Requirements

With Testsigma Enterprise, large organizations benefit from a bespoke experience that includes expanded features and dedicated support, aligning with complex testing scenarios and compliance mandates.

Supported Testing Capabilities

  • Web, mobile, and API testing catered to on-premise environments.
  • Regression and cross-browser testing for software reliability.
  • Data-driven and continuous testing for ongoing quality assurance.
  • Visual testing for accurate UI representation.

Key Features for In-House Testing Teams

  • Simplified test case creation through a user-friendly interface.
  • Efficient test execution with scheduling and parallel testing capabilities.
  • Comprehensive reporting and analytics with visual documentation.
  • AI-driven test automation to streamline test maintenance.
  • Seamless CI/CD tool integrations for an integrated testing pipeline.

Client Experiences with Testsigma

Quality engineering teams have leveraged Testsigma for its low-code approach, achieving substantial reductions in application deployment times and enhancing non-technical team member engagement in automated testing efforts.

Start Testing with Testsigma

For CTOs and QA teams facing the challenges of maintaining privacy and meeting rigorous standards, Testsigma invites you to explore its on-premise solutions through a free sign-up or a personalized demo, providing a secure pathway to efficient and compliant mobile application testing.

Pros and cons of Testsigma


  1. Rapid Test Automation: Users can automate most test cases quickly without needing expertise in specific languages or frameworks.
  2. Customer Support: The support team is highly responsive and easily accessible directly through the platform.
  3. Ease of Use: The platform is user-friendly, requiring minimal training to handle.
  4. Test Step Grouping: This feature streamlines the development of new scripts by grouping test steps.
  5. No-Script Automation: Offers a codeless approach to test automation, making it accessible to non-technical users.
  6. Integration Capabilities: Testsigma allows for seamless integration with various tools, enhancing the automation suite.
  7. Natural Language Processing (NLP): Testsigma uses NLP for test cases, making it intuitive to write tests in plain English.
  8. Accessibility: It caters to users with non-technical backgrounds, allowing them to learn and use the platform effectively.
  9. End-to-End Testing: It supports comprehensive testing, including validation of OTPs via Email and SMS.
  10. Custom Functionality: Users can import custom code to extend functionality when required actions are not available.


  1. Limited Database Testing: Currently, Testsigma does not support direct database testing, though some validation can be done using custom functions.
  2. Reporting Features: The reporting capabilities are somewhat limited and could be improved.
  3. Performance Issues: Some users have reported slower execution times and non-functional cloud devices.
  4. End-to-End Testing Complexity: While possible, some users find end-to-end testing to be challenging.
  5. Salesforce Integration: There is a need for improved integration features with Salesforce.
  6. Ticket Tracking: Improvements could be made in how user-raised tickets are tracked.
  7. Desktop Application Automation: Testsigma does not currently support the automation of desktop applications.
  8. Element Inspection Limitations: Some elements cannot be inspected directly, requiring workarounds like Sikuli for interaction.
  9. Occasional Errors: Users have encountered intermittent errors, sometimes due to platform maintenance or upgrades.
  10. Lack of Transparency: There is a need for better communication regarding maintenance and updates that may affect test performance.

More relevant posts:

iOS Snapshot Test Case by Uber

For CTOs and QA teams in need of an on-premise iOS automation testing tool that meets stringent data security and regulatory compliance requirements, iOSSnapshotTestCase offers a robust solution for snapshot testing in iOS app development.

Snapshot testing validates UI consistency by comparing visual elements against reference images. This technique is essential for ensuring that UI components such as text, images, and various visual states maintain their intended appearance, even when handling complex edge cases.

Key Features of iOSSnapshotTestCase:

  • Automates visual verification with high precision through image diffs.
  • Simplifies integration into existing projects with support for CocoaPods, Carthage, and Swift Package Manager.
  • Offers detailed error messages and optional identifiers to streamline the testing process.

Implementation Steps:

  1. Add iOSSnapshotTestCase to your project using your preferred dependency manager.
  2. Configure environment variables for reference and diff image directories.
  3. Create snapshot tests by subclassing FBSnapshotTestCase.
  4. Use FBSnapshotVerifyView or FBSnapshotVerifyLayer to compare UI elements against stored reference images.

As an on-premise tool, iOSSnapshotTestCase ensures that all testing artifacts remain within your control, addressing privacy concerns and compliance mandates. The tool’s versatility in handling different UI elements and the option to customize image filenames for device-specific testing make it an adaptable choice for teams prioritizing performance and reliability. Maintained by Uber and available under the MIT license, iOSSnapshotTestCase is accessible for customization to fit the unique needs of your organization.


  1. Automatically names reference images based on the test class and selector.
  2. Prints clear and descriptive error messages upon test failure.
  3. Supports optional identifiers for multiple snapshots within a single test method.
  4. Includes FBSnapshotVerifyLayer for testing CALayer.
  5. Offers fileNameOptions for control over image filenames, allowing for device and version-specific snapshot tests.

Github stats:

  • Forks: 219
  • Stars: 1740
  • Commits: 358
  • Last commit on: 2023-06-29T17:18:44Z

More relevant posts:

Playwright for Android

Playwright is a Node.js library designed to automate web applications across various browsers, and it extends its capabilities to Android automation. It enables on-premise automation for both Android and Android WebView, catering to organizations that prioritize data security and regulatory compliance.

Prerequisites for Android Automation

For QA teams to effectively use Playwright for Android device automation, the following requirements must be satisfied:

  • Availability of an Android device or an AVD Emulator.
  • An operational ADB daemon, verifiable via the adb devices command.
  • Chrome version 87 or higher on the Android device.
  • Activation of the “Enable command line on non-rooted devices” in Chrome flags.

Playwright’s Android Capabilities and Limitations

Playwright’s automation tool for Android devices is still in its experimental phase, with some limitations:

  • Dependence on ADB for connectivity, as USB operations are not natively supported.
  • Devices must be active to capture screenshots; enabling “Stay awake” is advisable.
  • Not all features have been extensively tested on Android, which may affect reliability.

Utilizing Playwright for Android Automation

Playwright offers a structured approach to scripting for Android device automation. Operations like taking screenshots, working with WebView, and automating Chrome for Android are supported. For instance, users can launch applications, fill input fields, and navigate within WebView or Chrome, all through Playwright’s script.

To optimize the installation for Android testing, bypassing unnecessary browser downloads is possible through setting an environment variable.

Playwright’s Methods for Android Interaction

Key methods provided by Playwright for Android include:

  • connect for attaching to devices.
  • devices to list available devices with customization options.
  • launchServer to start a Playwright Android server.
  • setDefaultTimeout to adjust the default timeout setting.

Support and Documentation

Playwright’s extensive documentation and active community support through platforms like Stack Overflow and Discord are invaluable resources for CTOs and QA teams looking to leverage on-premise android and iOS automation testing tools. While embracing Playwright for on-premise mobile automation testing, it’s essential to consider its experimental status and ensure alignment with the organization’s performance and compliance requirements.

More relevant posts:



For CTOs and QA teams prioritizing data security and regulatory compliance, Espresso offers a reliable on-premise mobile automation testing framework for Android applications. Integrated with Android Studio, Espresso enables the creation of automated UI tests that are not only maintainable but also align with strict performance and privacy requirements.

Core Features

Espresso’s API is designed for clarity, ensuring tests are readable and concise, which is essential for teams requiring customization and control over their testing tools. It facilitates rapid test execution without the need for manual synchronization, thanks to its advanced synchronization capabilities that wait for the UI thread to be idle before proceeding.

Synchronization Mechanism

The synchronization features of Espresso automatically handle the timing of actions and assertions, significantly reducing the incidence of flaky tests and enhancing the dependability of results. It waits for conditions such as an idle message queue and completed background tasks before executing UI actions.

Espresso’s Packages

Espresso’s suite of packages supports a range of testing requirements:

  • espresso-core: Fundamental UI components testing
  • espresso-web: WebView components testing
  • espresso-idling-resource: Synchronization with background tasks
  • espresso-contrib: Additional matchers and actions for complex UI components
  • espresso-intents: Intent validation and stubbing for isolated testing
  • espresso-remote: Multi-process application testing

Practical Application

With comprehensive documentation and code samples, Espresso serves as an on-premise Android automation testing tool that meets the high standards for security and performance demanded by enterprise environments. It is an ideal choice for organizations that need to keep testing processes within their infrastructure due to privacy and compliance concerns.

More relevant posts:


Dropshots is an on-premise Android automation testing tool that focuses on enhancing screenshot testing efficiency. Recognizing the importance of maintaining data security and compliance, Dropshots offers a robust solution for CTOs and QA teams requiring full control over their testing environment.

Streamlined Screenshot Assertions

  • Integrates seamlessly with Android Instrumentation tests for real-time screenshot comparisons.
  • The Gradle plugin facilitates version control of reference images, ensuring consistency across testing cycles.
  • Simplifies the testing workflow by incorporating tasks into the project’s task graph for routine execution.

Simplified Setup and Usage

  • Easily applied via the build.gradle file, supporting both Plugins DSL and legacy methods.
  • Writing tests is straightforward with the Dropshots rule, enabling assertions within the standard testing suite.

Customizable Testing and Validation

  • Reference images are conveniently updated with a gradle command, keeping tests up-to-date.
  • Offers custom ResultValidator options, such as CountValidator and ThresholdValidator, to tailor validation processes to project-specific requirements.

Secure and Compliant

  • Adheres to the Apache License, Version 2.0, providing the assurance of proper software use within regulatory confines.
  • Keeps sensitive data on-premises, aligning with privacy and security policies.

Dropshots is designed to meet the high-performance demands and customization needs for on-premise iOS and Android automation testing environments. Its ease of integration and flexible validation make it a reliable choice for organizations prioritizing data security and regulatory compliance.


  1. Integration with Instrumentation Tests: Allows comparison of screenshots with reference images during runtime within standard Android Instrumentation tests.
  2. Gradle Plugin: Ensures that reference images are version-controlled and available on the test device for immediate comparison.
  3. Ease of Use: Simplifies the workflow by adding tasks into the project’s task graph, which can be executed as part of the regular testing routine.
  4. Custom Validation: Provides options like ResultValidator, CountValidator, and ThresholdValidator for customized comparison result handling.
  5. Updating Reference Images: Supports updating reference screenshots by running tests with the dropshots.record property.

Github stats:

  • Forks: 17
  • Stars: 254
  • Commits: 127
  • Last commit on: 2023-08-07T15:10:35Z

More relevant posts:


For CTOs and QA teams seeking robust on-premise mobile automation testing tools that comply with strict data security and regulatory requirements, Playwright emerges as a capable framework. It’s a Node.js library that automates browser actions like navigation and form submissions, crucial for thorough web application testing.

Comprehensive Browser and Platform Support

Playwright facilitates testing across all major browsers:

  • Chromium
  • WebKit
  • Firefox

These browsers are supported on Linux, macOS, and Windows, ensuring compatibility and consistent testing environments. Headless mode availability is particularly beneficial for automated test environments.

Streamlined Installation and Setup

Playwright can be seamlessly integrated into your existing infrastructure with minimal setup:

npm init playwright@latest

Alternatively, manual installation allows for more granular control:

npm i -D @playwright/test
npx playwright install

Advanced Testing Capabilities

Playwright’s resilient testing eliminates flakiness by waiting for elements to be interactable. Its architecture supports complex scenarios like testing multiple tabs and user origins. Each test runs in an isolated browser context for speed and security without compromising test independence.

Enhanced Tooling for On-Premise Testing

  • Codegen: Simplifies test script generation.
  • Playwright Inspector: Aids in test step inspection and selector generation.
  • Trace Viewer: Provides in-depth failure analysis.

Real-World Usage Scenarios

Playwright is adaptable for diverse testing needs, such as taking screenshots, emulating mobile devices with geolocation, evaluating scripts in the browser context, and intercepting network requests, all of which can be executed securely on-premise.

Resource Accessibility

With extensive documentation and API references, Playwright is a comprehensive on-premise android automation testing tool and on-premise iOS automation testing tool that meets the performance, reliability, and privacy needs of businesses.


  1. Resilient Testing: Auto-wait feature for actions, web-first assertions, and tools for debugging test failures like tracing, capturing execution traces, videos, and screenshots.
  2. No Compromises on Test Scenarios: Runs tests out-of-process, enabling testing of multiple tabs and user scenarios, and generates trusted events similar to real user interactions.
  3. Isolation and Speed: Uses a new browser context for each test to ensure isolation with minimal overhead and allows for reusing authentication states across tests.
  4. Powerful Tooling: Includes Codegen for generating test scripts, Playwright Inspector for inspecting pages and generating selectors, and Trace Viewer for detailed test failure investigations.
  5. Cross-Browser Testing: Supports testing across multiple browsers (Chromium, Firefox, WebKit) on different operating systems, and can execute browsers in headless mode for automated test environments.

Github stats:

  • Forks: 3194
  • Stars: 57501
  • Commits: 11824
  • Last commit on: 2023-12-21T09:45:14Z

More relevant posts:


Applitools presents a sophisticated AI-powered test automation platform, tailored to meet the stringent requirements of CTOs and QA teams operating in regulated environments. This on-premise solution ensures complete control over testing procedures while upholding the highest standards of data security and compliance.

On-Premise Test Automation Tailored for Mobile and Desktop Applications

  • Visual AI Engine: Applitools’ Eyes, the world’s first Visual AI validation engine, automates UI testing extensively, elevating both on-premise Android and iOS automation testing tools.
  • Ultrafast Test Cloud: Accelerate cross-browser testing with the Ultrafast Test Cloud, harnessing Visual AI for quick and precise results.
  • Preflight and Execution Cloud: Streamline test creation and execution with Preflight, and leverage the cloud-based Execution Cloud for resilient test infrastructure.
  • Comprehensive SDKs: Integrate seamlessly with a multitude of frameworks and platforms, enhancing test suites with Visual AI capabilities.
  • Functional and Accessibility Testing: Extend functional testing to verify visual correctness and ensure accessibility standards are met with Applitools’ inclusive testing tools.

Streamlined Testing for Enhanced Performance and Reliability

  • Increased Efficiency: Drastically cut down on test creation and maintenance time, enabling broader application coverage with minimal effort.
  • Simplified Test Maintenance: Group similar bugs and auto-update tests with the platform’s intelligent maintenance features, maintaining performance consistency.
  • Seamless Integration: Applitools melds with your existing toolset, including Selenium, Appium, and Cypress, for a smooth transition to visual testing.
  • Diverse Testing Capabilities: Address web, mobile, desktop, and even media/document testing needs without dependency on DOM or schema structures.

By adopting Applitools, CTOs and QA teams can ensure high-performance, reliable, and secure testing operations, keeping sensitive data on-premises and meeting the demands of complex regulatory landscapes.

Pros and cons of Applitools


  1. Easy to use and implement into existing automation workflows.
  2. Customer-focused support and assistance.
  3. Facilitates the detection of unintended changes, especially in large applications.
  4. Shallow learning curve, making it accessible for QA teams with less coding experience.
  5. Enhances cross-browser and cross-device testing capabilities.
  6. Visual regression testing moves beyond simple visibility checks to ensure visual perfection.
  7. Integration with popular frameworks like Cypress for immediate feedback on changes.
  8. Offers multiple SDKs for ease of creating and comparing visual snapshots.
  9. Features like self-healing capabilities for cloud runners improve user experience.
  10. Supports visual validation for accessibility and early component validation in the delivery cycle.


  1. The platform can be sluggish on slower connections or computers.
  2. Initial maintenance and setup may require some time to get used to.
  3. Error reporting can be problematic for automated report generation.
  4. Snapshot quality issues have been observed, although updates have addressed them.
  5. Lack of built-in support for Azure DevOps Server on pipelines (though now available and updated).
  6. Misuse of the tool due to a lack of understanding of its collaborative potential.
  7. Branch and baseline management can be confusing, especially for non-technical team members.
  8. The cost of Applitools can be prohibitive, especially for large companies requiring many accounts.
  9. The GUI, while user-friendly, may oversimplify for advanced users or specific use cases.
  10. While the tool is mature and comprehensive, its powerful features come with a high price tag.

More relevant posts:


TimeMachine is a specialized on-premise mobile automation testing tool tailored for Android applications. It enhances testing efficiency by employing a unique method that identifies and leverages the most progressive states during testing, thereby maximizing code coverage.

Streamlined State Management
By utilizing cutting-edge virtualization technology, TimeMachine saves and restores application states to facilitate more thorough testing within a constrained timeframe. It effectively monitors GUI layout changes and records all encountered states, saving those that contribute to new code exploration.

Enhanced Usability and Stability
Recent enhancements to TimeMachine include integration with the Android Emulator, the adoption of Jacoco for app instrumentation, and improvements addressing adb connection issues. These updates contribute to a more reliable and Android-centric testing experience.

Prerequisites and Setup
To utilize TimeMachine, certain prerequisites must be met, such as having Ubuntu 18.04 or Mac-OSX 10.15 and the Android SDK with API level 25. The setup process involves cloning the necessary repositories, instrumenting the app with Jacoco, and verifying the setup by generating coverage reports.

Efficient Testing Process
TimeMachine’s testing process is straightforward—launch the tool, execute the main.py script with specified parameters, and analyze the results, including coverage reports and crash logs. This on-premise solution caters to CTOs and QA teams who require full control over their testing environment to meet strict data security and regulatory compliance standards.

In essence, TimeMachine stands as an effective on-premise iOS and Android automation testing tool, offering developers and QA teams the necessary features to ensure high performance and compliance with stringent data security requirements.


  1. Utilizes virtualization technology to save and restore application states during testing.
  2. Monitors the GUI layout and maintains a record of all discovered states, saving interesting ones.
  3. Detects and restores from slow-progress states to promote thorough exploration.
  4. Integrates with Android Emulator for streamlined testing within the Android-specific environment.
  5. Uses Jacoco for more modern and widely-adopted app instrumentation.

Github stats:

  • Forks: 23
  • Stars: 103
  • Commits: 101
  • Last commit on: 2022-07-04T16:30:51Z

More relevant posts:


Appium is a robust open-source test automation framework that supports on-premise mobile automation testing tools, effectively catering to CTOs and QA teams’ need for full control and customization. It aligns with stringent data security and regulatory compliance demands, ensuring high performance and reliability for critical operations while keeping sensitive data on-premises.

Appium’s Core Features

  • Cross-Platform Testing: Facilitates automated testing for native, hybrid, and mobile web applications across iOS and Android platforms.
  • WebDriver Protocol: Maintains compatibility and standardization, crucial for diverse testing environments.
  • Modular Architecture: Enables support for multiple programming languages, including Java, Python, Ruby, and C#, broadening its usability.
  • Platform Drivers: Offers a variety of drivers for iOS and Android, essential for the automation of specific platforms.
  • Client Libraries: Provides libraries for different languages, allowing test scripts to be written in the language of your choice.
  • Extensible via Plugins: Enhances functionality with plugins, managed through the Extension command-line interface.

Appium Version 2 and Migration

As of January 2022, Appium has transitioned to version 2, with a focus on improved features and performance. Users are encouraged to migrate using the provided guide, ensuring access to the latest platform drivers.

Installation and Configuration

Installation through npm is straightforward, and Appium requires separate driver installations for each target platform. The CLI offers flexibility in server management, accommodating parallel server processes.

Operational Benefits

Appium’s adherence to the WebDriver protocol and its no-modification-required approach for applications ensure a secure, reliable, and efficient testing process. Its capability to run tests locally, coupled with the visual assistance of Appium Inspector, positions it as a fitting choice for enterprises with specific on-premise needs for Android and iOS automation testing tools.

Github stats:

  • Forks: 5946
  • Stars: 17380
  • Commits: 10526
  • Last commit on: 2024-01-05T10:27:17Z

More relevant posts:

Marathon by MarathonLabs

Marathon is an on-premise mobile automation testing tool tailored for organizations with stringent data security and regulatory compliance requirements. It offers comprehensive support for both Android and iOS platforms, ensuring full control over test automation with the ability to integrate with custom hardware farms.

Key Features

Marathon introduces robust features to streamline test execution:

  • Test Batching for enhanced organization and efficiency.
  • Device Pools to enable parallel testing and increase throughput.
  • Test Sharding for balanced workload distribution across devices.
  • Test Sorting to optimize the execution sequence and reduce overall time.
  • Preventive and Post-factum Retries to manage test flakiness and environment instability.

These features are designed to provide a stable and high-performance testing environment, allowing customization to meet the specific needs of any QA team.

Performance and Stability

Marathon’s strategies are crafted to address test duration and success rates:

  • Flakiness Strategy leverages statistical data for smarter retry planning.
  • Sorting Strategy prioritizes longer tests to reduce the impact of unexpected delays.
  • Retry Quotas set boundaries to maintain the integrity of the test run.


Setting up Marathon requires a Marathonfile with specifications for Android or iOS environments, ensuring seamless integration into existing development workflows.


Initiating tests with Marathon is straightforward—simply run the marathon command within the project’s root directory.

System Requirements

Marathon is compatible with systems running Java Runtime Environment 8 or higher, supporting both macOS and Linux machines for test initiation.

Marathon Cloud

For teams requiring scalable testing infrastructure, Marathon Cloud provides a cloud-based extension capable of handling large volumes of tests efficiently.

Contribution and Licensing

Marathon is open for contributions under GPL 2.0, with a transparent licensing structure for various components, inviting collaboration to enhance the tool further.

Marathon presents a reliable and secure on-premise solution for mobile automation testing, aligning with the needs of CTOs and QA teams prioritizing data privacy and customizability.


  1. Test Batching: Grouping tests to be executed as a batch for better organization and efficiency.
  2. Device Pools: Utilizing multiple devices to run tests in parallel, increasing test throughput.
  3. Test Sharding: Distributing tests across devices to ensure that each device has a proportionate workload.
  4. Test Sorting: Prioritizing the execution order of tests, typically running longer tests first to minimize overall execution time.
  5. Preventive Retries: Planning ahead for potential test failures due to flaky tests or environments by scheduling retries in advance.

Github stats:

  • Forks: 115
  • Stars: 538
  • Commits: 1856
  • Last commit on: 2023-12-07T11:16:09Z

More relevant posts:


Paparazzi stands out as an on-premise mobile automation testing tool specifically tailored for Android UI testing requirements. Recognizing the necessity for data security and compliance in testing environments, Paparazzi offers a robust solution for CTOs and QA teams.

Streamlining Android UI Testing

With a focus on efficiency and control, Paparazzi’s on-premise Android automation testing tool eliminates the need for physical devices or emulators. Its snapshot testing capability allows developers to capture and compare UI elements against established golden images. Furthermore, the tool generates comprehensive HTML reports to facilitate result analysis and sharing among stakeholders.

Enhanced Testing with Gradle Integration

The seamless integration with Gradle enhances the automation of tasks such as test execution, report generation, and golden value recording. This integration ensures high performance and reliability, which is paramount for critical operations in regulated industries. By adhering to strict data security protocols, Paparazzi ensures sensitive data remains within the confines of the company’s infrastructure.

Effective Snapshot Management

For teams dealing with large binary files, Paparazzi recommends the use of Git Large File Storage (LFS), providing guidance for effective snapshot management within the CI pipeline. This adherence to best practices in data handling is crucial for organizations with stringent privacy concerns.

Considerations for Specialized Use Cases

Paparazzi also addresses specific scenarios such as Jetifier migration and Lottie animations, offering solutions to maintain the integrity of testing processes. These considerations exemplify the tool’s adaptability to diverse development contexts.

Licensing and Release Information

Available under the Apache License, Version 2.0, Paparazzi ensures compliance with licensing requirements while offering detailed release information for informed setup decisions. Its on-premise iOS and Android automation testing capabilities cater to the stringent needs of enterprises prioritizing in-house control over their automation tools.


  • Snapshot Testing: Capture and compare snapshots of Android UI views or composables against golden images.
  • HTML Reporting: Automatic generation of HTML reports for reviewing and sharing test results.
  • Golden Value Recording: Capability to record snapshots as golden values for future comparison.
  • Snapshot Verification: Allows running tests to verify UI against recorded golden values and generates diffs for changes.
  • Gradle Integration: Automates tasks like running tests, generating reports, recording golden values, and verifying snapshots.

Github stats:

  • Forks: 200
  • Stars: 2032
  • Commits: 1286
  • Last commit on: 2023-12-17T03:53:32Z

More relevant posts:


For CTOs and QA teams requiring stringent data security and regulatory compliance, Robolectric presents a viable on-premise Android automation testing tool. It facilitates unit testing within the Java Virtual Machine, accelerating the testing process while maintaining high performance and reliability.

Robolectric is adept at simulating Android environments, offering compatibility from KitKat (API level 19) to the latest version U (API level 34), making it a suitable on-premise iOS automation testing tool for comprehensive application testing.

Streamlining Android Application Testing

Robolectric’s testing framework allows the execution of tests without the need for traditional emulators. This is illustrated by the ease of setting up and verifying UI behavior in test cases, as seen in the provided Java example.

Integration and Setup

Initiating projects with Robolectric is straightforward, with the deckard template offering a solid foundation for both Android and Robolectric setups. Dependency configurations for Gradle projects are easily managed within the build.gradle file.

Community-Driven Development

As an open-source project, Robolectric encourages contributions, supporting builds via Gradle and environment setup through IntelliJ or Android Studio. It comes with comprehensive guides for building shadows and running tests, including memory-intensive full-suite tests and API-specific assessments.

Snapshot Utilization

Robolectric also provides snapshot builds for developers eager to integrate the most recent updates, with the caveat of potential instability due to ongoing development.

In summary, Robolectric stands as a reliable on-premise mobile automation testing tool, balancing speed and compatibility to meet the intricate needs of businesses prioritizing control, customization, and compliance.


  1. Runs tests in a simulated Android environment within the Java Virtual Machine (JVM).
  2. Compatible with a wide range of Android versions, supporting 15 different API levels.
  3. Provides faster and more reliable testing process compared to emulator-based methods.
  4. Open-source project that allows contributions from the developer community.
  5. Supports running tests across multiple API levels and offers snapshot builds for the most recent changes.

Github stats:

  • Forks: 1354
  • Stars: 5741
  • Commits: 13443
  • Last commit on: 2023-12-18T09:27:08Z

More relevant posts:

Accessibility Snapshot by Cash App

For organizations prioritizing data security, regulatory compliance, and high-performance operations, on-premise mobile automation testing tools are indispensable. One such tool that caters specifically to iOS applications is AccessibilitySnapshot, a framework adept at regression testing for accessibility features.

Streamlining iOS Accessibility Testing

AccessibilitySnapshot addresses the crucial need for maintaining accessibility standards. By applying snapshot testing principles, it captures the app’s accessibility hierarchy, enabling developers to monitor changes and ensure compliance with accessibility guidelines.

Seamless Integration and Setup

To incorporate AccessibilitySnapshot into your workflow, your existing setup should support standard snapshot testing. It is compatible with SnapshotTesting and iOSSnapshotTestCase frameworks, simplifying the integration process.

Installation Options

AccessibilitySnapshot offers multiple installation routes:

  • CocoaPods: Easily add it to your Podfile.
  • Swift Package Manager: Include it in your Package.swift file.
  • Carthage: Carthage users can install the core parser through their Cartfile.

Practical Application

Developers can leverage AccessibilitySnapshot to generate visual representations of accessibility elements. Both SnapshotTesting and iOSSnapshotTestCase are supported, providing flexibility in capturing and comparing accessibility features. Customization options, such as the visibility of accessibility activation points, enhance the testing experience.

Compatibility and Contributions

AccessibilitySnapshot requires Xcode 12.0 or later and iOS 13.0 or later. Contributions to the tool are encouraged, fostering a collaborative environment for continuous improvement.


Under the Apache License, Version 2.0, AccessibilitySnapshot offers a permissive framework that encourages extension and community sharing, all while ensuring your on-premise solution remains secure and compliant.

AccessibilitySnapshot is a reliable on-premise iOS automation testing tool that delivers control and customization to meet the stringent demands of secure, high-stakes development environments.


  1. Captures and compares snapshots of an app’s accessibility hierarchy.
  2. Creates visual representations of the app’s accessibility elements and their properties.
  3. Integrated with SnapshotTesting framework and supports iOSSnapshotTestCase.
  4. Provides customization options for displaying indicators of accessibility activation points.
  5. Supports Objective-C for accessibility snapshot tests.

Github stats:

  • Forks: 50
  • Stars: 457
  • Commits: 202
  • Last commit on: 2023-11-17T01:00:45Z

More relevant posts:

Android Testify

Testify serves the specific needs of CTOs and QA teams looking for an on-premise mobile automation testing tool that addresses stringent data security and regulatory compliance requirements. As an on-premise Android automation testing tool, Testify integrates with Android Instrumentation tests, enhancing existing test suites without compromising sensitive data privacy.

Enhanced Android UI Testing with Testify

Testify’s capabilities extend to capturing and comparing UI screenshots, which is critical for ensuring the View-layer’s integrity. With Testify, teams can:

  • Configure emulators for various resolutions, orientations, API versions, and languages.
  • Organize screenshot tests based on device characteristics.
  • Obtain bitmap captures post-layout and draw calls for precise UI representation.

Seamless Integration and Setup

To set up Testify, add the following to your build.gradle files:

// Root build.gradle
buildscript {
    repositories {
    dependencies {
        classpath "dev.testify:plugin:2.0.0"
// Application build.gradle
plugins {
dependencies {
    androidTestImplementation "androidx.test:rules:1.5.0"

Testify’s Android Studio plugin streamlines the developer experience, offering integrated UI commands and support for Android Studio versions up to Dolphin (2021.3.1 Beta 1).

Writing and Managing Tests

Developers craft screenshot tests leveraging ActivityTestRule, with the assertSame() method validating the UI. Testify’s Gradle tasks facilitate baseline image management and test verification, enhancing the reliability of UI testing.

Compliance and Licensing

Adhering to compliance, Testify is licensed under the MIT License, allowing modification and distribution within the confines of your organization’s on-premise infrastructure. For full documentation and advanced usage, visit testify.dev.

Testify is a solution-oriented on-premise iOS and Android automation testing tool, ensuring performance, reliability, and compliance for mission-critical operations.


  1. Testify allows for capturing screenshots with different resolutions, orientations, API versions, and languages by configuring various emulators.
  2. It provides the ability to group screenshot tests by device characteristics.
  3. It captures bitmaps after all layout and draw calls are complete, ensuring an accurate representation of the UI.
  4. The tool integrates seamlessly with Android Instrumentation tests and can be used directly within Android Studio or through Gradle command-line tools.
  5. Testify is compatible with most Continuous Integration services.

Github stats:

  • Forks: 4
  • Stars: 80
  • Commits: 637
  • Last commit on: 2023-12-10T17:42:09Z

More relevant posts:


In the diverse landscape of mobile test automation tools, each product carves out its own niche with distinct advantages and considerations. From free open-source frameworks like UI Automator and Espresso, which demand deeper technical expertise, to the no-code, AI-driven platforms like Repeato and testRigor, the range is staggering.

Repeato sets itself apart with its cross-platform compatibility for Android and iOS, leveraging computer vision and machine learning for fast execution and ease of use. Its pricing is flexible, with a perpetual free plan for individuals and small projects, and tiered pricing for more advanced needs, starting at €70 per month per user. This makes it an accessible entry point for those new to mobile app testing or projects with constrained budgets.

In contrast, frameworks like UI Automator and Espresso, despite being free and open source, require advanced technical knowledge and are limited to Android. Similarly, tools like Swift Snapshot Testing and iOSSnapshotTestCase cater to iOS but demand a high level of technical acumen.

Tools like Katalon and Testsigma offer more comprehensive solutions with support for web, Android, and iOS platforms, blending no-code and low-code approaches. They provide robust integrations and AI-driven capabilities but at a premium, with Katalon’s paid plans starting at $167 per month and Testsigma’s pricing available upon request.

For those seeking specialized snapshot testing, Paparazzi and Screenshot-tests for Android provide free, open-source solutions for Android apps, while iOS Snapshot Test Case serves iOS developers, all requiring expertise in configuration and execution.

Considering the pricing and technical requirements, Repeato shines as a well-rounded, user-friendly option. Its no-code, AI-powered approach allows for rapid test creation and execution without the steep learning curve of more technical frameworks. Moreover, its support for both major mobile platforms and integration with CI/CD pipelines positions it as a versatile tool for a variety of testing scenarios.

For further insights into mobile testing tools and best practices, explore our comprehensive articles, such as running Android over WiFi, removing the debug banner in Flutter, and understanding test debt, among others.

Whether you’re a seasoned developer or a newcomer to the field, Repeato offers a compelling solution that balances power, ease of use, and cost-effectiveness.


Which tool is best for mobile automation testing?

Repeato is an excellent choice for mobile automation testing due to its user-friendly no-code setup, support for iOS and Android, and the ability to record and replay user interactions rapidly. It accommodates various mobile app frameworks and offers a free plan with unlimited test runs.

Which tool is best for mobile performance testing?

For mobile performance testing, tools like JMeter or LoadRunner are often recommended. However, for specific memory usage checks, Repeato’s feature to automatically check memory usage of your app can be a valuable addition to your performance testing toolkit.

Which tool is mostly used for automation testing?

Selenium and Appium are widely used tools for automation testing. However, Repeato is gaining popularity due to its ease of use, no-code setup, and compatibility with various mobile app frameworks, making it a go-to choice for testers looking for a streamlined experience.

Which framework is best for mobile app automation?

The best framework for mobile app automation can vary based on project requirements. For a solution that is easy to use and quick to set up, Repeato stands out, especially for those who prefer a no-code approach.

How to do automation testing on Android?

To perform automation testing on Android, you can use tools like Espresso, UI Automator, or Repeato, which offers a straightforward, no-code setup for recording and replaying tests on Android apps.

Is Appium better than espresso?

Appium and Espresso serve different needs; Appium is better for cross-platform testing and does not require access to the app’s source code, while Espresso is more suitable for Android UI testing with more precise control and faster test execution. However, for a balance of ease and functionality, Repeato may be a superior alternative.

What is the difference between Selendroid and Appium?

Selendroid is specific to Android and can interact with multiple Android devices simultaneously. Appium, on the other hand, supports both Android and iOS platforms and is based on the WebDriver protocol. Both can automate native, hybrid, and mobile web applications, but Appium’s cross-platform support makes it more versatile.

How to do automation testing in iOS?

For iOS automation testing, you can use XCTest, XCUITest, or Appium. Alternatively, Repeato offers a user-friendly option with support for iOS, enabling quick test creation without coding through its record and replay feature.

Can Appium test iOS?

Yes, Appium can test iOS applications. It is a cross-platform tool that allows automation of native, hybrid, and mobile web apps on iOS using the WebDriver protocol.

What is the difference between Appium and detox?

Appium is a cross-platform automation tool that works with any testing framework and supports both Android and iOS. Detox, however, is specifically designed for React Native apps and offers a more grey-box testing approach, which can lead to more stable and faster tests. For those looking for a flexible tool that supports various frameworks, Repeato could be an advantageous choice.

Like this article? there’s more where that came from.