Nonzero: Habit Tracker

In-app purchases
Content rating
Everyone
10+
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Content rating
Everyone
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About this app

Nonzero is a habit tracker built on two rules.

Every habit has a minimum. On a hard day, do the least that counts: one page, five minutes, one glass of water. The day still counts.

Never miss twice. One missed day is forgiven. Two in a row is what breaks a streak.

YOUR MONTH AS A RING
Each habit is a ring and each day is a slice of it. A full slice is a day done, a half slice is a day at the minimum, and an outline is a missed day. One look shows how the month is going.

TODAY, ONE TAP PER HABIT
Tap a habit's circle when it's done. Hold it for the minimum. Yesterday stays open until midnight, so a late entry isn't lost.

CHALLENGES
Give a habit an end date: 21, 30, 66, 75 or 100 days. It gets its own ring, and it's finished when the days are up.

MAKE IT YOURS
Pick a colour and a symbol for each habit. Choose every day, certain days, or a number of times a week. Add rest days, which never break a streak.

PRIVATE
No account and no ads. Your habits are stored on your phone, and we never receive them.

FREE AND PRO
The free plan holds 4 habits at a time, and nothing else is held back: minimums, challenges, the ring and streaks are all free. Nonzero Pro removes the limit on habits, as a yearly subscription or a one-time purchase.
Track habits in a monthly ring. Do the minimum on hard days. Never miss twice.
Updated on
Oct 20, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    Location, Financial info and 3 others
  • Data is encrypted in transit
  • Data can’t be deleted

What’s new

The first release of Nonzero.
• Habits with a minimum for hard days, and one missed day forgiven
• Your month as a ring, and your year one square a day
• Habits to build, habits to break, and challenges
• Today and Month widgets, a daily reminder, export and backups
• 14 languages
• Nonzero Pro: unlimited habits, reminders you set, a timer, your own order and three more themes
Content rating
Everyone
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App support

About the developer
KUMBUKANI KAMANGA
contact@mse.today
Mertcan Sokak No:17/7 26170 Tepebaşı/Eskişehir Türkiye