AI APP BUILDER

YOUR PHONE · YOUR APPS

Turn an idea into an app.

Describe what you need. Custapp and AI build a real mini-app that runs directly on your phone.

See how it works Open Custapp site
Local-firstSandboxedAI-powered
9:41● ● ●
Custapp AI
Build me a simple stock app for my shop.
Creating your app…✓ UI structure✓ Local data✓ Install review
S
Smart StockReady to install
Open

HOW IT WORKS

From chat to working app.

01

Describe it

Tell AI what you want in normal language.

02

AI builds it

Custapp validates the app before it reaches your phone.

03

Use it

Install and run it locally, with clear permissions.

BUILT FOR YOUR PHONE

Small apps. Real utility.

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Local-first

Your app data can stay on your device.

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Sandboxed

Mini-apps run inside controlled web environments.

✦

AI editable

Ask AI to improve the same app whenever you need.

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Shareable

Publish and share useful apps with other people.

BUILD SOMETHING YOURS

Your next app can start with one sentence.

No templates to learn. No code editor required. Describe the outcome and keep improving it with AI.

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