AI-Native Visual Testing Software

Catch UI regressions before they ship. SmartUI runs AI-powered visual checks across 3,000+ browsers and 10,000+ real devices, filtering rendering noise so your team reviews real bugs, not false positives.

Automate Browser Flows from your Terminal with Kane CLI

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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

One Platform to Evaluate Every Visual Testing Criterion

Coverage at scale, AI noise filtering, review and CI gates, and enterprise security, the things buyers actually weigh when choosing visual testing software.

TestMu Cross-Browser CoverageCross-Browser Coverage

Every Browser, Every Breakpoint, One Run

Validate Chrome, Firefox, Edge, Safari, and mobile browsers at once, across real resolutions, so a break in one browser is never missed.

Start Visual Testing Free
  • 3,000+ browser, OS, and resolution combinations in a single run
  • 10,000+ real iOS and Android devices for true mobile rendering
  • Responsive breakpoints from 360px mobile to 1920px desktop

TestMu SmartUI Visual AISmartUI Visual AI

AI Diffing That Filters Noise, Not Bugs

A basic pixel-diff library flags every anti-aliasing and font-rendering difference. The Visual AI engine suppresses that noise and explains each real change in plain English.

Start Visual Testing Free

What the Visual AI engine handles for you

Up to 95% fewer false positives with Smart Ignore
Anti-aliasing and font-rendering noise filtered automatically
Smart RCA explains the root cause of every real change

TestMu Review & ApprovalReview & Approval

Approve, Reject, and Gate Every Build

Reviewers approve or reject changes from a side-by-side diff, branch baselines stay clean, and a visual gate holds the build until every change is signed off.

Start Visual Testing Free
  • Side-by-side, overlay, and slider diff views with mismatch scoring
  • Branch-aware baselines that merge cleanly with your PR workflow
  • JUnit output and PR status checks on every CI build

TestMu Security & ComplianceSecurity & Compliance

Enterprise-Ready From the First Run

Built for regulated industries with the certifications and access controls security teams expect before a visual testing platform touches production UIs.

Talk to Our Team
  • SOC 2 Type II certified, GDPR and CCPA compliant
  • SAML and OIDC SSO, role-based access control, and audit logs
  • Private cloud deployment for full data residency control

What Visual Testing Software Should Do

A buyer checklist of the capabilities that separate AI-native visual testing software from a basic screenshot diff.

Design-to-Code Verification

Compare Figma designs against live web and mobile UIs so implementation drift is caught on every build.

Design-to-Code Verification

Baselines That Follow Git

Branch-aware baselines stay aligned with your feature branches and CI/CD, with no merge-conflict noise.

Baselines That Follow Git

Mobile-Aware Validation

Exclude status bars and footers so mobile visual checks flag real UI changes, not OS chrome.

Mobile-Aware Validation

Dynamic-Region Masking

Mask ads, timestamps, and user content so dynamic areas never trigger a false regression.

Dynamic-Region Masking

Layout & DOM Detection

Catch structural shifts and cross-browser layout breaks even when two screenshots look identical.

Layout & DOM Detection

Document & PDF Testing

Validate generated invoices, statements, and reports page by page with the same AI comparison engine.

Document & PDF Testing

10,000+

real devices for pixel-perfect checks

3,000+

browser & OS combinations

Up to 95%

fewer false positives with Smart Ignore

Up to 70%

faster visual test execution

Visual Testing, Backed by a Full Quality Platform

KaneAI
Browser Testing
Real Device Cloud
HyperExecute
Agent Testing
Accessibility Testing

KaneAI

Plan, author, and evolve end-to-end tests in plain English, with visual assertions built in.

More about KaneAI
KaneAI

Natural Language

Describe a visual check and KaneAI authors it, no code required.

Test Scenario Generation

Turn Jira tickets, PRDs, and images into structured visual test cases.

Self-Evolving Tests

Tests adapt as the UI changes, so suites stay green across releases.

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GithubGithub
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Seamless Collaboration
via Integrations
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120+ more

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

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

best-egg

handle

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

handle
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

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More Reasons to LoveTestMu AI (formerly LambdaTest)

See how TestMu AI speeds up your testing with AI-native authoring, faster execution, and deeper test insights across web, mobile, and AI applications.

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

Read Report

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

Read Report

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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Visual Testing Software FAQs

TestMu AI forEnterprise

Get access to solutions built on Enterprise
grade security, privacy, & compliance

  • Advanced access controls
  • Advanced data retention rules
  • Advanced Local Testing
  • Premium Support options
  • Early access to beta features
  • Private Slack Channel
  • Unlimited Manual Accessibility DevTools Tests