Autonomous QA

Drop in a URL.
Loop QA finds the bugs.

Autonomous QA that explores your app, finds the bugs, and tells you exactly how to fix them. No test suite to write, no QA team required.

Try Loop QA

No test suite required · Works with any web app

View live demo

Apps ship faster than ever.
QA hasn't kept up.

AI coding tools have compressed development cycles from weeks to hours. A solo founder or a small team can now ship a full web app in a day. But the way we test software hasn't changed — it still requires engineers to write test suites, QA teams to run them, and someone to triage what breaks.

The result: vibecoded apps ship without meaningful test coverage. Internal tools get deployed with no QA layer at all. And the bugs your users hit are the first signal that something is wrong.

Loop QA closes the gap. Give it a URL and it takes care of the rest.

How it works

From URL to bug report — automatically

Use cases

Who is Loop QA for?

Software factories & vibecoding platforms

Embed Loop QA as a quality gate in your AI-powered development platform. Every app generated gets automatically tested before it ships — no human QA required.

Early-stage startups without dedicated QA

You're moving fast and QA isn't headcount you can afford yet. Loop QA finds the bugs before your users do — at a fraction of the cost of a QA hire.

Companies that have vibecoded internal apps

Internal tools built with AI move fast and break things. Loop QA gives you a continuous layer of coverage so breakages get caught before they become incidents.

Individual vibecoders

Building solo with AI? Loop QA acts as your QA layer — catching the bugs that slip through when you're moving fast and shipping constantly.

Agencies & Dev Shops

Deliver higher-quality work to clients without adding QA overhead. Loop QA tests every project automatically before handoff.

Don't see your use case?

We want to hear about how you'd like to use Loop QA. Let's talk.

Common questions

What kinds of apps can Loop QA test?

Any web app accessible via a URL — marketing sites, SaaS products, internal tools, or all of the above. Loop QA explores whatever is at the URL you provide.

Do I need to write any tests or config?

No. Loop QA discovers user journeys and writes Playwright tests automatically. You provide a URL — it takes care of everything else.

What does a bug report include?

Every bug comes with a Replay recording of the session, a full runtime breakdown (function calls, DOM mutations, network requests, state changes), a root-cause analysis with confidence score, and a suggested fix.

Can I integrate Loop QA into my existing agentic system?

Absolutely. If you've built a software factory, a vibecoding platform, or want to include Loop QA in your software development life cycle, let's talk.

How is this different from a traditional test suite?

A traditional test suite only checks what engineers explicitly wrote tests for. Loop QA explores your app autonomously, discovers flows you didn't anticipate, and catches bugs that never would have had a test written against them.

How much does Loop QA cost?

For casual use, it is completely free. If you'd like to use Loop QA at scale, let's talk.

Does Loop QA replace human QA teams?

For most of our users, there's no human QA team to replace — Loop QA is the only QA layer they have. For teams that do have QA, Loop QA handles the autonomous discovery work: exploring the app, finding the broken flows, and filing the bug reports. That frees human QA to focus on what actually needs human judgment: subjective UX calls, accessibility audits with real assistive tech, and sign-off on high-stakes releases.

How do I get started?

Head to loop-qa.replay.io, drop in a URL, and Loop QA gets to work. No setup, no credit card required to try it.

Ready to let Loop QA
find your bugs?

Drop in a URL and Loop QA takes it from there — journeys, tests, recordings, and bug reports filed automatically.