Free on iOS & Android
Build better habits. Together.
Thirty days is a challenge. Thirty-one is a habit — because the point was never the streak. It's showing up again tomorrow, with people who noticed you showed up today.
Free to start · No limit on habits · Your data stays yours




Why 31?
One more day. One more mile. One more set.
Most challenges you'll find stop at 30. We chose 31 on purpose, and it comes down to a single idea: there is always just one more.
Because nothing that matters is ever really finished. You don't complete fitness, you maintain it. You don't finish a friendship, you keep it. Habits aren't a finish line you cross — they're a direction you keep facing.
31Done is built for that. Not a 30-day sprint you survive, but a rhythm you keep. Thirty-one days, then thirty-one more, together.
Everything you need to actually stick with it
Built for the part that comes after motivation runs out.
Streaks that mean something
Daily tracking with current and longest streaks, plus milestone reminders at 7, 14, 30, 60, and 100 days.
Charts, not guesswork
See your completion rate and streak history across 7, 30, or 90 days. Longest streak stays all-time, so a short window never undersells real history.
Friends who notice
Share your journey, cheer each other on, and keep each other honest. Accountability is the whole mechanism.
Groups & challenges
Run a 31-day challenge with friends or a group. Group owners get a heads-up when someone falls behind — before it becomes a dropout.
Your call on visibility
Every habit and post can be public, friends-only, or private. You decide who sees your progress.
Built to be used by everyone
Full VoiceOver and TalkBack support for cards, pickers, and settings. Screen-reader users get the same app everyone else does.
Free where it counts
Habits are never limited and never will be. Pro is for people who want to bring everyone with them.
Free
Everything you need to start.
- Unlimited habits
- Streaks & daily tracking
- 1 group
- 1 active challenge
- Up to 5 friends
- Public, friends-only, or private visibility
Pro
or $39.99/year — about $3.33/month
- Everything in Free
- Unlimited friends
- Unlimited groups
- Unlimited active challenges
- Advanced analytics
Start with one habit. Today.
Thirty-one days from now, you'll either have it or you won't. Free to start, no habit limit, and you can bring a friend.