Now available for Mac
Prototo Desktop.
Prototype natively, no cap. Describe your app to Claude and watch it run live on a real iOS Simulator, all in one window.
v1.0.4 · macOS on Apple Silicon · auto-updates
Step 1
Describe it
Type what you want in the built-in Claude terminal: screens, flows, edits. Plain language.
Step 2
Watch it run natively
Your prototype builds and runs live on a real iOS Simulator, streamed right beside the terminal.
Step 3
Publish & record
One click to a share link anyone can run natively on their iPhone with the free Prototo app, or record a clip straight to Studio.
New on the App Store
Prototo for iPhone.
The other half of sharing. Anyone you send a link to runs your prototype natively on their iPhone. Free to download, free to view.
Get it on the App StoreiOS 26 or later
What you’ll need
- A Mac on Apple Silicon. The iOS Simulator runs right on it.
- Xcode with an iOS Simulator runtime. Prototo checks and walks you through it on first run.
- Claude Code:
npm i -g @anthropic-ai/claude-code
Building locally is free and unlimited. Publishing share links is covered by your plan.