2nd YearIntermediateMobile 4-6 weeks
Habit Tracker Mobile App
A cross-platform mobile app to build habits with daily check-ins, streaks, reminders via local notifications, and progress charts.
React NativeExpoSQLiteNotifications API
Find GitHub repos & source code →How to build it — step by step
- 1Habit model: Define habits with frequency and store daily completion logs in SQLite.
- 2Check-in UI: Build a daily list with one-tap completion and streak calculation.
- 3Reminders: Schedule local notifications at user-chosen times per habit.
- 4Insights: Render weekly/monthly completion heatmaps and longest-streak stats.
Key features to implement
- ✓Daily check-ins and streaks
- ✓Local push reminders
- ✓Completion heatmap
- ✓Multiple habits with categories
- ✓Offline-first storage
💡 Unique twist to stand out
Add habit "stacking" suggestions (link a new habit to an existing routine) and a gentle re-engagement nudge after a missed day.
🎓 What you'll learn
Mobile app architecture, local databases, scheduled notifications, and data visualisation on mobile.