You built an app in Cursor. We'll help you make it safe to rely on

Your app works, until it doesn’t

You built it yourself in Cursor. Maybe it’s a booking tool, a client portal, or the app behind your course. It worked well enough to launch, and now real people use it. But a fix in one place breaks something else, you’re not sure where customer data is stored or who can see it, and every change feels like a gamble. You need it to keep running, and you don’t have a developer to call.

Why Cursor on its own doesn’t finish the job

Cursor is very good at writing code fast. Ask it for a feature and you’ll often have something working within the hour. What it doesn’t do unless you ask is the dull, protective work, like tests that catch a broken sign-up, checks that stop one customer seeing another’s data, and backups for when something goes wrong.

It also only knows what it can see in the moment. As an app grows, Cursor can write a new piece that doesn’t match how the old pieces work, and small mismatches pile up into bugs nobody can trace.

How we fix it

We start with a plain review. We read through your app and list what’s solid, what’s risky, and what to fix first, in words you don’t need to be a developer to follow.

Security and customer data come first. We look for passwords and keys sitting in the code, databases open to the internet, and pages anyone can reach without logging in, and we close them. Then we add tests for the steps your business depends on, like sign-up, payments, and bookings, so a change can’t break them without anyone noticing.

Next, we make sure there’s a way back. That means your code in version control and your data backed up. Last, we set up project rules for Cursor and a short guide, so the code it writes from now on matches how your app is built. You keep building, and we review the bigger changes with you.

When fixing a Cursor app is the right call, and when it isn’t

It’s the right call when the app does real work for your business and customers rely on it. Most of the time, targeted fixes get it there.

If the app was a quick experiment and nobody depends on it, a review may cost more than it’s worth. And sometimes the fastest safe path is to rebuild one part properly. We’ll say so plainly, and we won’t rebuild what’s working.

Where to go next

See the wider fixing AI-built apps service, or read about Cursor. If you built with Claude Code, see fixing AI-built apps made with Claude Code. For new builds, see apps and websites. See how we work with coaching and online education and e-commerce. When you’re ready, get your AI Starter Plan.