(My Challenges)
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Leo helps you build consistent habits through structured 21-day challenges. With a beautiful, offline-first design, Leo keeps you motivated and ensures you never miss a day.
100% Offline • Private by default


Turn your goals into habits by committing for 21 days straight.
Set personalized daily notification nudges for each challenge.
See your consistency visually with dynamic icons and progress bars.
No cloud sync. No servers. Your personal goals stay on your device.
Why Leo works
21-Day Challenges
Commit to a habit for 21 days to make it stick permanently.
100% On-Device
No cloud sync. Your goals and habits stay private on your phone.
Smart Reminders
Set unique reminders for each challenge so you never miss a day.
Milestones that keep you motivated.
Achievement
You've maintained your 'Read 20 pages' streak for 14 days straight!
Achievement
Your 'Exercise' challenge is 80% complete. Keep going!
Achievement
You are 3 days away from unlocking the 21-Day Trophy for Meditation.
Screens
No clutter, no confusing charts. Just clear progress and motivation.




Consistency
Building a new habit can be tough, especially when motivation fades. With a reliable habit tracker app, you can turn a hard task into an effortless routine.
Commitment over time rewires your brain. By focusing on a 21-day streak, you:
Leo simplifies this process by keeping your focus on the current 21-day challenge.
Privacy Assured
Your personal goals are highly private. Many apps sync your habits and routines to cloud servers, putting your privacy at risk.
Leo was built from the ground up to be offline-first and privacy-focused:
You get all the benefits of a beautiful habit tracker without ever compromising your personal privacy.
FAQ
Everything you need to know about tracking your habits with Leo.
Yes. Leo is completely offline-first. Your data is stored locally on your device and never sent to any external servers.
Yes, you can set an individual daily reminder time for each specific challenge.
No account is required. Just open the app, create your first challenge, and start tracking immediately.