Live preview, running the exact code the prompt carries
Camera and mediaScreen Expo Go readyFree
Cairn Breathing Pacer
A breathing pacer whose ring, countdown and phase label are all driven by one array, so the circle can never be expanding while the word underneath says breathe out.
Paste into Claude Code, Cursor or Windsurf. It builds this screen 1:1 in your app.
What ships
- Files
- 1 file
- Dependencies
- @expo-google-fonts/inter, phosphor-react-native, react-native-safe-area-context
- Fonts
- @expo-google-fonts/inter
- Compatibility
- Expo SDK 52+, runs in Expo Go
- Updated
- 2026-09-09
The rule this design follows
It ships exactly as previewed: same colors, same type, same copy, same motion. The prompt tells your agent to build that, and not to adapt it to your existing theme.
