21-Day Challenge — Build a New Habit
Challenge yourself to stick with one habit for 21 days. Check in daily, track your progress, and build lasting habits. Free — start your challenge today.
Key Features
- ✓Create a 21-day challenge
- ✓Daily completion check-in
- ✓Progress bar with D-day counter
- ✓Success and failure tracking
- ✓Past challenge history
- ✓Free — no installation needed
FAQ
Why 21 days?▼
21 days is widely recognized as the minimum time needed to form a new habit.
What happens if I miss a day?▼
The missed day is recorded as incomplete, but the challenge continues.
Can I run multiple challenges at once?▼
Yes, but we recommend 1-2 at a time for better focus.