Build a fitness app
without writing code.
// no CLI · no setup · free plan included Tap dropdowns. Get a free build plan. Pay one flat price for the finished deliverable — backed by the same skill stack we run in Claude Code.
// your prompt builds live
01 / What do you want to build?
02 / Fill the formula
03 / Choose your skill stack
First build per skill is free, every 24h. After that, the listed flat price.
04 / See the plan before you commit
A mobile fitness tracker built in Expo with email auth and Firestore sync. Minimal aesthetic, dark-friendly.
- · Home / dashboard
- · Workout logger
- · Progress charts
- · Profile + settings
- · Expo + React Native
- · Firebase auth + Firestore
- · Victory Native (charts)
- · EAS build pipeline
flat price · no token surprises · refund if build fails
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// architecture
Plan first. Build second.
The free plan pre-pass lets users see scope and price before committing. The skill router decides what the prompt becomes before it ever reaches Claude.
▸ Plan pre-pass costs ~$0.05–0.10 per request (Sonnet, no code generation). Free for the user, with rate limits to prevent abuse. Conversion to paid build covers the cost many times over.
06 / build complete
├─ app/ │ ├─ index.tsx │ ├─ workouts.tsx │ ├─ progress.tsx │ └─ profile.tsx ├─ components/ │ ├─ WorkoutCard.tsx │ └─ ProgressChart.tsx ├─ lib/ │ ├─ firebase.ts │ └─ store.ts ├─ app.json └─ README.md
A complete Expo fitness app with email auth, Firestore sync, workout logging, and progress charts. Ready to eas build.
// example output — yours will look different
// what's next?