Fast, flake-free, and fully parallel automated testing
Experience faster QA & fewer bugs
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100% parallel runs — no infra required
Execute thousands of tests in minutes without a device farm, Grid, or TestNG.
Any gesture, any sensor
GPS, accelerometers, biometrics, swipes, and pinches — whatever your app uses can be tested.
Test any mobile app
NativeWeb
React Native
Xamarin
Flutter
View-based hybrid
Responsive/adaptive apps
Progressive web apps (PWA)
Single-page application (SPA)
Make mobile testing simple
It’s funny that the most common operating system in the world, Android, is also one of the most challenging platforms to test: There are literally thousands of different device configurations, new versions need to stay backwards compatible for months or years, and bugs can’t be patched in a few minutes like they can be on web. And then there’s the testing infrastructure, with existing grids mostly running parallel tests on shared machines, leading to resource contention problems and flakes.
Of course, building out an automated test plan is barely half the work. The real value of QA Wolf’s managed testing is investigating failures, maintaining tests, and dealing with flakes that eat up developer productivity and slow down new features.
Let QA Wolf do the work
Cover every corner of your app
Comprehensive feature coverage We build tests that cover gestures, camera functions, and sensor interactions and everything else.
Run tests at unparalleled speed
Full parallel execution We execute your entire test suite in full parallel, significantly reducing mobile testing time.
Efficient testing across multiple PRs We run tests across multiple pull requests simultaneously, without data collisions.
Hassle-free maintenance
Timely upkeep As your app evolves, we continuously update your tests to align with new functionality, and keep them relevant and effective.
Quick test failure resolution When a test fails, we don’t just flag the issue — we promptly resolve it to avoid unnecessary workflow disruptions.
Workflow-integrated support
Tool integration made easy We integrate with your existing tools like Fastlane, GitHub Actions, GitLab CI, Jenkins, and more.
Compliance and security assurance Whether it’s data protection, privacy compliance, platform-specific requirements, or what have you, we’ll handle compliance and security validations so you can focus on building great apps .
Cover every corner of your app
Comprehensive feature coverage We build tests that cover gestures, camera functions, and sensor interactions and everything else.
Run tests at unparalleled speed
Full parallel execution We execute your entire test suite in full parallel, significantly reducing mobile testing time.
Efficient testing across multiple PRs We run tests across multiple pull requests simultaneously, without data collisions.
Cover every corner of your app
Timely upkeep As your app evolves, we continuously update your tests to align with new functionality, and keep them relevant and effective.
Quick test failure resolution When a test fails, we don’t just flag the issue — we promptly resolve it to avoid unnecessary workflow disruptions.
Workflow-integrated support
Tool integration made easy We integrate with your existing tools like Fastlane, GitHub Actions, GitLab CI, Jenkins, and more.
Compliance and security assurance Whether it’s data protection, privacy compliance, platform-specific requirements, or what have you, we’ll handle compliance and security validations so you can focus on building great apps .
Covering all the bases
Functional
Touch (and multi-touch) interactions
Test tap, swipe, pinch, and zoom gestures work as expected and in combination (multi-touch).
Screen orientation
Validate that the app adjusts behavior when the screen is rotated (portrait to landscape and vice versa).
UI/UX
Responsive design on different screen sizes
Validate app appearance and usability on different screen sizes
Mobile-specific UI elements
Test mobile-specific UI widgets like navigation bars, floating buttons, drawer menus, and third-party integrations (e.g., ads, customer support) and make sure they don’t block critical parts of the app.
Performance
App launch time
Measure the time it takes for the app to launch and become usable on various mobile devices and verify that it meets performance benchmarks.
Mobile memory usage
Validate memory consumption and assert that it conforms with reasonable benchmarks.
Mobile-specific CPU utilization
Verify CPU utilization on mobile devices during different usage scenarios.
Security
Mobile data encryption
Verify that sensitive data is encrypted during storage and transmission on mobile devices.
Confirm the app is safe when accessing secured resources on mobile.
Session management on mobile
Validate session timeout and re-authentication requirements on mobile devices.
Confirm the app behaves correctly when multiple simultaneous sessions on mobile are open.
Localization
Language functionality
Confirm the app switches to the selected language and displays all text correctly.
Verify that the app defaults to the appropriate fallback language if a specific language is not available.
Make sure all button labels appear correctly in the selected language without truncation or formatting issues.
Regional settings
Confirm the app displays the correct date and time formats based on device region settings.
Check that the app displays appropriate currency symbols and formats based on the user’s selected region.
Accessibility
Visual accessibility
Check that the app’s text and background color combinations meet visual impairment accessibility standards.
Confirm that text resizing features (e.g., OS-level settings) function properly without disrupting the app’s layout.
Backward and forward compatibility
Backward compatibility
Ensure backward compatibility by confirming the app functions smoothly on older OS versions without performance degradation and adjusts gracefully if certain features are unavailable.
Forward compatibility
Verify the app functions properly on upcoming or beta versions of the operating system.
Markets
E-commerce apps
Verify mobile payment gateway integration (e.g., Samsung Pay).
Test the behavior of mobile-specific shopping cart management (e.g., swipe to delete items).
Social media apps
Test mobile-specific posting, commenting, liking, sharing, and real-time updates for social interactions.
Fitness apps
Verify workout tracking features that use mobile sensors and GPS.
Test integration with mobile health APIs for wearable devices.
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FAQs
How does QA Wolf run mobile tests in parallel?
We’re some of the first people to use Google Cloud Platform’s nested virtualization feature to run tests, so we can spin up emulators in dedicated containers just as we do for web apps.
Is QA Wolf using real devices or emulators?
We use emulators, each running on their own virtual machine, to ensure the fastest test runs.
What Android devices does QA Wolf emulate?
We emulate Google Pixels, with more devices coming soon.
What types of tests can QA Wolf perform on my mobile app?
We can handle functional, performance, security, usability and just about anything you can throw at us. We customize our approach to fit your app's specific needs.
Does QA Wolf support testing both APK and AAB files?
Yes, QA Wolf fully supports testing both APK and AAB files.
Can QA Wolf test mobile apps in non-US locations?
Through emulation we can mock non-US locations, but the emulators are US based.
Which frameworks does QA Wolf use to write mobile tests?
We use Appium and WebdriverIO to write automated tests. Both are open-source so you aren’t locked-in. If you ever need to leave us (and, we hope you don’t), you can test your tests with you and they’ll still work.
Is pixel-perfect visual testing supported?
Yes, pixel-perfect visual testing is supported. WebdriverIO and Appium use visual diffing to compare screenshots pixel-by-pixel, flagging any visual changes or discrepancies during tests.
Which mobile browsers do you support for testing?
Chrome right now, with Safari and Firefox on the way.
Add Android app testing to your QA process
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