QA that runs itself.Catch critical bugs before your users do.
True plug-and-play testing that ends QA struggles. AI creates the tests, humans verify them, bugs get caught automatically. No training, no maintenance, no missed critical bugs.
Agentic AI that takes QA
off your team's plate.
Bug0 tests your staging environment and flags issues before they reach production. No setup required, no codebase access needed, no extra effort.
AI Agents
AI that explores your app, maps user flows, and writes tests automatically.
Humans
QA experts review and refine tests daily to catch edge cases and flakiness.
Infrastructure
200+ parallel test runs in under 3 minutes on highly available infra.
Join the free 90 days pilot program.
No contract. No payment.
Keep the test suites we create, even if you don’t continue.


Get a personalized demo directly from our founders within 24 hours of signing up.
"Bug0 is the closest thing to plug-and-play QA testing at scale. Since we started using it at Dub, it's helped us catch multiple bugs before they made their way to prod."

"Bug0 just works. It runs behind the scenes, catches real issues early, and saves us hours every week. It's like having a full QA team without the overhead."

Success in numbers
Smarter QA for fast-moving teams
Saved per engineer
Cut company-wide QA costs by up to 80% with one simple monthly subscription.
More releases
Ship faster and catch critical bugs within minutes using automated browser testing.
Critical flow coverage
Automated coverage of key user flows within your first week.
QA cycles
Validate changes and catch bugs in minutes, not days.
Saved per engineer
Save developer hours chasing regressions and maintaining tests.
Setup time
Install the GitHub app and start testing instantly.
Built for your workflow
Bug0 runs tests on every commit with parallel browser execution, completing over 200 test runs in under 3 minutes.




Where your team collabs.
Instant notifications & reports.
Bug0 connects with Slack, Linear, and Discord, sending detailed reports directly for every test run with actionable insights for your team.




Where your code lives.
Seamless CI/CD integration.
Bug0 plugs into your CI/CD pipeline, runs tests quickly for every PR and code change, and adds detailed reports with screenshots to every pull request.




Where your apps run.
URL-based testing setup.
Bug0 needs only your preview/deployment URLs to get started, with no code base access required. Tests work seamlessly across all environments and platforms.
Bug0 vs traditional Alternatives
Buying tools, hiring testers, or outsourcing QA? There's a better way.
Swipe horizontally to see all comparisons
Smarts baked into the product.
Our platform combines intelligent algorithms with human expertise to deliver reliable testing results.
Auto-healing tests.
Tests that fix themselves when your UI changes thanks to our AI agents.
No flaky tests.
Consistent results every time, no matter what.
Self-adapting tests.
Automatically adjusts to your app evolution.
Code-free testing.
Create tests without writing a single line of code. Just describe your user flows to our AI in natural language.
Human-verified results.
Every test is validated by QA experts.
Fast CI/CD runs.
Every time you commit, parallel browser tests kick off and wrap up 200+ runs in less than 3 minutes.
Coverage you can trust.
Bug0 provides a complete suite of testing capabilities to ensure your application is thoroughly validated across all dimensions.
End-to-End (E2E) Testing
Simulates real user behavior to validate entire flows from start to finish
Regression Testing
Confirms that recent changes haven't broken previously working features
Smoke Testing
Runs a basic set of tests to ensure the core functionality is stable after a build
Flaky Test Detection
Automatically spots unstable tests that pass or fail inconsistently
Performance Test
Checks that key pages and APIs load within expected time thresholds
API Contract Tests
Validates that your APIs return the correct structure, types, and status codes
Accessibility Testing
Detects accessibility issues using tools like axe-core to ensure compliance
Visual Regression Testing
Compares UI snapshots to catch unexpected layout or style changes
Cross-Browser Testing
Runs tests across Chromium, Firefox, and WebKit for maximum browser coverage
Mobile & Device Testing
Runs tests on real desktop and mobile devices on request, not just emulators
Network Mocking & Offline Testing
Intercepts and simulates network responses to test edge cases and failures
Authentication Testing
Automates login flows and session-based behavior using browser storage state
Localization Testing
Verifies your app works correctly across different languages and regions
No more missed bugs. No more release delays.
Bug0 runs AI-powered tests with human oversight on every pull request, so bugs never make it to production.
Book a demo with the founder
Meet the founders
behind Bug0.
From the makers of Hashnode - one of the largest networks of developers.
Backed by top investors



