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Pick an idea and describe it. The agent builds a working app from your first message.
Start with a clear 1-3 sentence description. Be specific about the type: “mobile app for X” is different from “website for X.”

Describe what you want

Tell the agent what you’re building. Write like you’d explain it to a friend.
The agent starts building immediately. Your app is made up of a few building blocks. You don’t need to know these upfront, the agent creates them as needed:

Refine the design

Once the foundation is there, iterate. Ask for visual changes the same way.

Add features

Keep going. Each message builds on what’s already there.

Test it

Preview your app in the builder, or scan the QR code to test on your phone with Expo Go.

Go live

When you’re ready, click Publish in the top right.

Keep going

Essentials

Core concepts and builder basics

Prompting

Get better results from the agent