Daily habit system
DayOne21: track any 21-day challenge.
Create a habit challenge, complete one focused daily action, reflect for a minute, and watch your 21-day progress grid turn into proof of consistency.
Account
Save your challenges to the cloud
My challenges
Switch your active challenge
Progress tracker
Your 21-day grid
Templates
Choose a ready-made challenge
21-day challenge tracker
Build habits with daily check-ins, streaks, and reminders
Track any 21-day habit challenge
DayOne21 helps you stay consistent with fitness challenges, coding challenges, reading goals, meditation routines, journaling habits, English speaking practice, and personal growth plans.
Use templates or create your own
Start with ready-made 21-day challenge templates or create a custom daily action. Each challenge includes progress tracking, completion badges, a reflection journal, and reminder time.
Stay accountable for 21 days
Mark each day complete, view your streak, review previous logs, and keep every challenge saved with secure Supabase login and email reminders.
Journal
Reflection history
Rewards
Milestones earned
Completion Certificate
Finish 21 days to unlock