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AI mobile app builder

Buildy.meThe idea was never the problem.
The code was.

Describe your app in plain English. Buildy creates an editable mobile project with a hosted preview, then helps you compile signed builds for the App Store and Google Play.

Editable mobile sourceFree to start, no cardiOS & Android
Why the hosted preview stays separate from your release build →

Built on the standard stack you already know

React Native
TypeScript
Apple
Android
GitHub
Supabase
Features

From the first brief to a store build.

Generate source, iterate in the hosted preview, test on your phone, and compile a signed release from one workspace.

From brief to working project

Describe the product in plain words. Buildy creates React Native (Expo) by default, or Kotlin, SwiftUI, and web source when you choose those targets.

Point-and-edit preview

Click anything in the live preview and the AI knows exactly which component you mean. No back-and-forth describing where it is.

Test on your phone

Open the hosted preview from a QR code and add it to your Home Screen as a PWA. This is a testing and sharing path; store binaries are compiled separately.

Native store builds

Compile signed APK and AAB releases for Android, export standard Expo source and prepare your App Store launch from one workspace.

Two-way GitHub sync

Auto-push every change, and pull edits you make in VS Code or Cursor back into Buildy automatically.

Your code, exported

Paid plans can download the runnable source for the selected target or keep it synchronized with GitHub.

Backend integration

Connect Supabase for authentication and data when the app needs persistent, account-based flows.

Preview separated from release

Buildy's hosted preview infrastructure is not added to the release build. This avoids one code-loading pattern covered by Guideline 2.5.2; Apple still reviews every app and its final code.

How it works

From idea to an app on your phone.

Describe your app

Tell the AI what you want ("a fitness app with workout logging") or paste a brief. It scaffolds a working app in React Native, native Kotlin, SwiftUI, or web.

Iterate visually

Click anywhere on the live preview to point at what to change. The AI sees exactly which component you mean.

Test and prepare release

Share the hosted PWA preview for device testing, compile a signed store build, or export the source on a paid plan.

No lock-in

Take the project into your own workflow.

Buildy uses standard project structures for the target you select: Expo, Kotlin, SwiftUI, or React with Vite. Paid plans can download the source or connect GitHub for two-way sync.

  • Export the complete, runnable project as a zip on any paid plan.
  • Two-way GitHub sync: changes flow both directions automatically (paid plans).
  • Open it in the editor and toolchain appropriate for the selected target.
  • Ship to the App Store and Google Play under your own accounts.
your-app — zsh
$ unzip your-app.zip
$ npm install
$ npx expo start
 Running on iOS, Android & web
# Expo export example — continue with the standard toolchain.
What you can build

Start from an idea.

Begin with a prompt or a starter template, then make it yours.

FAQ

The questions people ask.

Can I continue outside Buildy?

Yes. Paid plans can export the source or synchronize it with your GitHub repository. Buildy uses standard project structures for Expo, Kotlin, SwiftUI, and web targets. The free plan covers creation and hosted preview; export, GitHub, Supabase, and signed builds are paid features.

Does it build for both iOS and Android?

Yes. The hosted PWA preview works on both platforms. Paid plans add signed Android builds and standard Expo source export; secure direct iOS signing is being completed.

Do testers need a Buildy account?

No. Anyone with the share link can open the hosted preview, and supported browsers can add that PWA preview to the Home Screen. Publishing a native store build requires the usual Apple or Google developer account.

What about Apple's Guideline 2.5.2?

Buildy's editor and hosted preview run separately from the release build and are not added to it by default. That avoids one remote-code pattern addressed by Guideline 2.5.2, but it does not guarantee approval: the final app, dependencies, and behavior still need review. Read the architecture note for details.

Is it really free to start?

Yes. The free plan needs no card. You can create apps by chatting with the AI and preview them live. Exporting your source, GitHub sync, a Supabase backend, and native store builds are on the paid plans.

Can I use my own backend?

Yes. Connect Supabase for authentication and a real database, and Buildy wires up full-stack flows with data behind them, not just static screens.

Describe your app. Watch it run.

Go from a sentence to an editable project and a hosted device preview. Start free; export and signed builds are available on paid plans.