Tests What Code Review Can't

What if you never shipped a bug again?

Pie connects to your repo, tests every commit like a real user,
and opens PRs to fix what breaks. No scripts. No noise. Just results.

Try Pie on my repo

Connect your repo and staging URL. Your first scan is free.

STEP 1
Pie reads your PR analyzing...
42+   const disc = applyPromo(cart);
43+   cart.total = cart.total - disc;
// checkout.service.ts
No cap on discount — total can go negative
STEP 2 Pie opens a real browser and tests your checkout
staging.acme.com/checkout
STEP 3 Pie opens a fix PR
pie bot
fix: handle null shipping address in order flow
Merged
pie bot
fix: prevent duplicate charge on retry
Merged
pie bot
fix: tax calculation returns NaN for empty cart
Merged
pie bot
fix: cap promo discount at cart total
Root cause

applyPromo() on line 42 returns raw discount value without floor check.

Fix applied cart.total = Math.max(0, cart.total - discount);
CI passing Ready to merge
Sound familiar?

Code review approved it.
The product broke anyway.

Production

Checkout total renders $0.00 for all orders

Discovered by a customer. 4 hours after deploy. CI was green.

847 errors in 30 min 12 customer reports
CI passed

PR #412 — Refactor payment reduce logic

Order total renders $0.00. Discount logic skips the merge after the reduce function changed.

3 approvals all checks pass merged to main

These are the bugs that pass every code review tool on the market. They don't live in the diff. They live in the running product. Pie catches them because Pie actually uses your product, the same way your customers do.

The numbers behind the gap

6.4x
more code generated by AI
That's 6.4 times more surface area to review, maintain, and break.
96%
of devs don't trust AI code
Only 48% check it before committing.
68%
more issues per AI-authored PR
CodeRabbit PR analysis, 2025
HOW PIE WORKS

Three steps to zero bugs

Connect your repo. Here's what happens when your next PR merges.

Code merges. CI is green.
All checks pass. Ships to production.
Refactor payment — migrate to PaymentIntents
● Merged
PIE SCANNING → AFFECTED FLOWS checkout flow refund flow
staging.yourapp.com/checkout
Checkout Cart
4242 •••• •••• 4242
$0.00
Complete Purchase
Checkout Failure
Caught! Customers can checkout for free.
Pie opened the app, ran the checkout flow, and caught the $0.00 bug. Code review missed it — the diff looked fine.
Minutes later, the fix is ready.
Pie traced the bug, wrote the patch, and opened a PR. Your team reviews and merges.
Fix verified
fix: checkout total shows $0.00 after discount
P
pie-bot
Before
$0.00
After
$49.99
CI passed No conflicts Ready to merge
Features

What Pie catches for you

Autofix

Get PRs, not tickets

When Pie finds a bug, it opens a pull request with the fix. Root cause analysis included. Review, approve, ship.

PR Gate

One feed for every PR

Findings, severity levels, and direct links to the code. Know what shipped and what broke before your users do.

Coverage Loop

See exactly what Pie tested

Screenshots at every step. Pass/fail status for each flow. Who owns the branch, what changed, where it broke.

Auto-Tracking

Connect once, test every commit

Link your GitHub repo. Pie watches for changes and identifies affected flows automatically.

Vision-Based Testing

AI that uses your product

Not DOM selectors. Pie sees your app the way a real user does. Catches what scripted tests miss.

Test Generation

Tests that write themselves

Pie generates test cases from the PRs it discovers. Coverage grows as your product evolves.

Zero friction

Built for engineering teams

No scripts to maintain

Pie generates and adapts tests automatically. When your UI changes, your tests don't break.

No noise to filter

Only real bugs. No flaky tests, no false positives. When Pie reports something, it's worth your attention.

No context switching

Results show up as PRs in your existing workflow. Review, merge, move on. No dashboard to learn.

"It's like having a QA team that never sleeps, never complains, and actually writes the fixes."
— VP Engineering, Series B Startup

Works with the tools your team already uses

GitHub
GitLab
Web, iOS, Android
Your CI/CD
Build vs Buy

You've probably tried building this yourself

Most teams duct-tape together Codex agents, PR bots, and overnight scripts — and it works, for a while. Pie is what that setup looks like when someone builds it as a product.

"I've basically been doing that same workflow on my own, and it would be nice to not have to develop that. That seems like something that's not a core value of our company."
— VP Engineering, 1000+ person engineering org
What teams are saying

Real results from real teams

An iOS-only crash that happened after three specific steps? Our QA team never would have caught that. Pie found it on the first scan.

— Mobile QA Lead, Consumer Tech Startup

We used to find regressions a week after they shipped. Now we catch them before the PR even merges. It changed how we think about testing.

— Engineering Manager, Series A Fintech

The autofix feature is honestly what sold us. Finding bugs is one thing. Getting a PR with the fix already written? That's next level.

— Senior Engineer, E-commerce Platform

Your team pushes code.
Pie makes sure it actually works.

Try it for free

Connect GitHub or GitLab and see results on your actual codebase. It's free, there's no demo to sit through, and nobody's going to call you.

Frequently Asked Questions

Code review tools analyze your code. Pie tests your running product. CodeRabbit can tell you if your checkout function looks correct. Pie actually clicks "Buy Now" on staging and confirms the payment goes through. They read diffs. We use the app.

You authorize Pie on GitHub, pick a repo, and paste your staging URL. That's it. No SDK, no test scripts, no config files. Pie figures out your user flows automatically by exploring your app.

Pie reads your commit diffs to understand what changed, then maps that to the user flows it discovered when it first explored your app. If your payment form changed, Pie tests checkout. If you touched the nav, it tests cross-page navigation. It's not random.

Yes. Pie tests iOS and Android apps in simulators, not just web. Same 2-click setup. Same autofix PRs. Mobile-specific bugs like gesture failures, deep link issues, and in-app purchase flows are all covered.

Pie only reports bugs it can reproduce. Every finding includes a step-by-step recording of how to trigger it. If Pie reports it, it's real. No flaky tests, no "works on my machine" arguments.

When Pie finds a bug, it doesn't just log it. It traces the issue back to the source code, identifies the likely root cause, and opens a PR with a suggested fix. You review and merge, or reject if it's wrong. Most fixes merge without changes.

Pie runs on secure, isolated infrastructure. Your code never leaves your repo, we only read the diffs. Your staging environment is accessed the same way your CI does. We're SOC 2 compliant. Reach out and we'll share the documentation.

You can run both, or let Pie take over entirely. Pie can analyze your existing test cases and rebuild them using AI, with zero ongoing maintenance. Most teams that migrate see better coverage and stop dealing with flaky tests. We'll help with the transition.

Your first scan is free, no credit card required. After that, pricing scales with your usage. We offer packages for teams of all sizes. Reach out and we'll put together a quote.

Not currently. Pie runs as a managed service. For teams with strict data residency requirements, reach out and we'll discuss options.