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Automated Device Testing Online

Accelerate your release velocity with blazing fast test automation on real device cloud.

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Trusted by 2M+ users globally at

Microsoft
OpenAI
Nvidia
Boomi

"We have tripled our tests and are now executing tests in less than 2 hours with 78% Faster Test Execution"

Hrishi Potdar , Quality Engineering Architect

Boomi
GitHub
Best Egg

"We figured out a more efficient way to monitor system health and resolve failures earlier in lower environments."

Tenny , Engineering Operations Lead

Best Egg
Workday
Akamai
Louis Vuitton
NBCUniversal
City Furniture

"TestMu AI has significantly boosted our testing speed, is easy to implement, and provides exceptional support."

Nicholas Paulsen , Senior Quality Engineer

City Furniture
Cox
Transavia

"With 70% faster test execution, TestMu AI helped us achieve faster time-to-market and enhanced CX."

Daniel de Bruijn , Quality Assurance Automation Engineer

Transavia
Estée Lauder
TripAdvisor
Bohoo

Ensure 100% Accuracy with Real Devices.

Mobile emulators and simulators offer a glimpse, but they fall short in mimicking real-world scenarios. With TestMu AI's Real Device, you can test on actual devices to ensure your app excels in every real-world scenario. Don't settle for emulations/simulations; choose real device.

Try Real Devices for free

  • Dedicated real devices cloud for enterprises.
  • Network throttling for 2G, 3G, 4G, and 5G.
  • Manual and automated app testing to debug real world scenarios
  • Improve device coverage and maximize ROI

Pick Your Framework. We Handle the Rest.

Selenium

Selenium

Run tests across browsers in Java, Python, JS, and more.

Learn More
Playwright

Playwright

Cross-browser automation across Chromium, Firefox, and WebKit.

Learn More
Puppeteer

Puppeteer

Headless Chrome and Chromium automation via Node.js.

Learn More
Cypress

Cypress

End-to-end web app testing with real browser access.

Learn More
Appium

Appium

Automate native and hybrid apps on iOS and Android.

Learn More
Espresso

Espresso

Native Android UI tests with built-in synchronization.

Learn More
XCUITest

XCUITest

Native UI test automation for iOS and macOS apps.

Learn More
Jest

Jest

Write and run JavaScript tests with built-in mocking and coverage.

Learn More

Automated Testing On Mobile Device Cloud

Test websites or apps on mobile devices using automation. Speed up app and browser testing with parallel execution on our Appium Grid.

Try Now For Free

  • Support for Appium, Espresso and XCUITest
  • Install multiple apps in a single session
  • Camera image injection and QR code scanning
  • Biometrics authentication support
  • Test Multi-Lingual and Locale Support

Test Locally Hosted Web Apps

Effortlessly test private or local websites and apps on iOS and Android devices online with TestMu AI Tunnel, streamlining your web automation testing process.

Try Now For Free

Key Features for Testing on Real Devices Cloud

Pre-Installed DevTools

Pre-Installed DevTools

Use faster DevTools to debug mobile apps across multiple devices with different screen sizes

Network Throttling

Network Throttling

Ensure seamless user experience by checking your app's responsiveness on various network profiles, such as 3G, 4G, 5G etc

Quick App Uploads

Quick App Uploads

Install multiple apps in one session and easily upload .aab, .apk, .ipa files, or install directly from the Play Store/App Store

Multiple locale Support

Multiple locale Support

Ensure your app supports multiple locales to provide a seamless user experience for diverse language and regional settings

Geolocation testing

Geolocation testing

Test your website or mobile app from different geoIPs to make sure your users get the perfect experience across all locations

Biometric Authentication

Biometric Authentication

Test biometric authentication in your app with our Beta - Secure and streamline user verification

Modernize your test stack. Run tests faster, smarter!

Our competitors are stuck with rigid, monolithic architectures that lead to unreliable test runs, sluggish performance, and higher costs—ultimately impacting the customer experience.

At TestMu AI, we’ve reimagined test execution and orchestration from the ground up. Our platform offers flexible, scalable, and on-demand infrastructure, enabling teams to run tests anytime during the development cycle—efficiently, reliably, and affordably.

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Top Choice

Features

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BrowserStack

Realtime Browser Testing

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Web & Mobile Automation Cloud

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AI Features

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Limited

On-premise Automation Cloud

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Test Orchestration

Upto 70% Faster
Available But Slower

Unlimited Geolocation testing

120+ Countries
Limited

Private Real Device Cloud

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Limited

AI Native Insights

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Limited

24x7 Support

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Email Support Only

Integration with JIRA, Slack, and other PM tools

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Limited

Inspect Mobile Apps With Intelligent UI Inspector

Debug native apps using advanced UI inspection capabilities to quickly fix app issues related to layout, functionality, and responsiveness.

Try Real Devices for free

  • Reliable Custom XPath
  • Effortless App Relaunch
  • Inspect Hybrid Applications Easily

...

Some love from our customers!

As Best Egg expanded its product offerings and entered new markets, we knew our old testing infrastructure couldn’t keep up.
With support from Tenny Agustin, our Engineering Operations Lead, we modernized our approach with @testmuai see more >

TestMu AI

Best Egg

Best Egg

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Excited to Share My Learning Journey with Kane AI & Lambda Tool!
I'm pleased to announce that I've recently gained hands-on experience exploring Kane AI through the Lambda Tool and it’s been a fantastic journey of upskilling!see more >

KaneAI

Suryateja Goud

Suryateja Goud

suryateja-goud

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microsoft

See how @testmuai is #Futureready to enable blazing-fast test orchestration seamlessly integrated with organizations' existing CI/CD platforms, using #Microsoft Azure.

TestMu AI

Microsoft India

Microsoft India

MicrosoftIndia

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Success Stories of TestMu AI (Formerly LambdaTest)

Dashlane

50%

reduction in test execution time

“HyperExecute is a highly reliable test execution platform and has excellent customer support.”

Sagar Uday Kumar

Sr. Engineering Manager

More Reasons to Love TestMu AI (Formerly LambdaTest)

TestMu AI Named a Challenger in the 2025 Gartner® Magic Quadrant™

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TestMu AI recognized in The Forrester Wave™: Autonomous Testing Platforms, Q4 2025

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Wall of Fame

TestMu AI is #1 choice for SMBs and Enterprises across the globe.

Enterprise-Grade Security

We safeguard your data and AI systems with global security, privacy, responsible AI, and ESG standards.

Integrations

Works where you work, 120+ integrations with the tools your team relies on.

Users

3M+

Tests

1.5B+

Enterprises

18K+

Countries

132

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TestMu AI forEnterprise

Get access to solutions built on Enterprise
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  • Advanced access controls
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  • Advanced Local Testing
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  • Private Slack Channel
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