✨ Form habits in 21 days

Build Better Habits with Leo.

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

App Screenshot
(Progress screen)
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Progress screen
App Screenshot
(My Challenges screen)
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My Challenges screen

21-Day Challenges

Turn your goals into habits by committing for 21 days straight.

Smart Reminders

Set personalized daily notification nudges for each challenge.

Beautiful Progress

See your consistency visually with dynamic icons and progress bars.

Absolute Privacy

No cloud sync. No servers. Your personal goals stay on your device.

Why Leo works

Focus on consistency, not perfection.

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

A beautifully simple challenge tracker.

No clutter, no confusing charts. Just clear progress and motivation.

App Screenshot
(My Challenges)
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My Challenges

My Challenges

App Screenshot
(Daily Check-in)
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Daily Check-in

Daily Check-in

App Screenshot
(New Challenge)
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New Challenge

New Challenge

App Screenshot
(Profile Settings)
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Profile Settings

Profile Settings

Inside the app

Your progress at a glance.

See how Leo keeps you accountable every single day.

My Challenges 🏆

Stay Consistent

Read 20 pages

14 / 21 Days Completed

Status:

On Fire 🔥

Morning Run

5 / 21 Days Completed

Status:

Keep going
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Consistency

Form habits that actually stick

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.

Why is 21 days the magic number?

Commitment over time rewires your brain. By focusing on a 21-day streak, you:

  • Break the initial barrier of resistance.
  • Build momentum that makes the habit easier each day.
  • Create a visual chain of success that you won't want to break.
  • Prove to yourself that you can follow through.

Leo simplifies this process by keeping your focus on the current 21-day challenge.

Privacy Assured

100% Offline Habit Tracking

Your personal goals are highly private. Many apps sync your habits and routines to cloud servers, putting your privacy at risk.

How does Leo protect my data?

Leo was built from the ground up to be offline-first and privacy-focused:

  • All data is saved to a secure local database (ISAR) directly on your phone.
  • No cloud syncing, no accounts, and no remote servers are required.
  • Your streaks and progress are calculated locally on your device.
  • Your data is never sold, shared, or exposed to the internet.

You get all the benefits of a beautiful habit tracker without ever compromising your personal privacy.

FAQ

Common questions about Leo

Everything you need to know about tracking your habits with Leo.

Is my habit data private?

Yes. Leo is completely offline-first. Your data is stored locally on your device and never sent to any external servers.

Can I set multiple reminders?

Yes, you can set an individual daily reminder time for each specific challenge.

Do I need to create an account?

No account is required. Just open the app, create your first challenge, and start tracking immediately.