Health
Private Cycle Tracker
Track cycles with all data stored only on the device
Beginner10h1
React NativeSQLiteEncryption
16/20Take consistent photos of moles over time and compare them side by side.
Build Skin Mole Photo Timeline for people monitoring moles for a dermatologist in ~14h with 1 person. Stack: React Native + OpenCV + Local storage.
Why it wins: Careful health design without risky claims.
| Tech | Role | |
|---|---|---|
| React Native | Mobile app | Mobile |
| OpenCV | Tooling | Tool |
| Local storage | Client-side persistence | Data |
Health
Track cycles with all data stored only on the device
Photograph a meal and get an editable estimate of calories and macros
Guided thought records that help reframe anxious thoughts