100-Day Habit Tracker
KENICHI YAMAMOTO Health & Fitness iPhoneiPadiPod touch
100-Day Habit Tracker is a free Health & Fitness app for iPhone and iPad by KENICHI YAMAMOTO. Requires iOS 18.4. Updated September 19, 2025.
- Price
- Free
- on the App Store
- Size
- 17 MB
- Age 4+
- Updated
- Sep 19
- 2025 · v1.0.5
Screenshots
About 100-Day Habit Tracker
Track your habits, challenges, and daily goals with ease. 100-Day Habit Tracker helps you build consistency, stay motivated, and turn small actions into lasting results. Log your progress in seconds—just tap “Done” or “Skip” from the widget. Like a digital stamp card, you’ll see your streaks and achievements at a glance. Whether it’s learning, saving money, working out, dieting, or improving your health, this simple goal tracker makes it easy to stay on track every day. ＜Features＞ ・Habit & challenge tracking made simple ・Visual progress and streaks at a glance ・Flexible challenge durations (7, 30, 100 days, and more) ・One-tap logging from the widget ・Dark mode support
What’s new
Version 1.0.5 · Updated September 19, 2025
-small bugfix.
App privacy
The developer, KENICHI YAMAMOTO, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Location: Coarse Location
- Identifiers: Device ID
- Usage Data: Product Interaction, Advertising Data
- Diagnostics: Crash Data, Performance Data
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Location: Coarse Location
- Identifiers: Device ID
- Usage Data: Product Interaction, Advertising Data
- Diagnostics: Performance Data
Used for: Third-Party Advertising
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Diagnostics: Crash Data
Used for: Third-Party Advertising
Alternatives to 100-Day Habit Tracker
Looking for apps like 100-Day Habit Tracker? Here are 6 similar apps on the App Store. The highest rated is 100 DEDICATED - Goal Tracker (4.5/5), and all 6 are free to download.
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Fit In 100 Days
| App | Rating | Price | Last updated |
|---|---|---|---|
| 100-Day Habit Tracker | – | Free | September 19, 2025 |
| DAY100-100 Days Habit | 3.8 / 5 (4) | Free | Sep 15, 2026 |
| 100日ダイエットAI-体重管理・カロリー計算・減量｜カルモ | – | Free | Sep 28, 2026 |
| 100 DEDICATED - Goal Tracker | 4.5 / 5 (2) | Free | Dec 2, 2025 |
| かわいい習慣化アプリ | – | Free | Aug 15, 2026 |
| Piyofit-1日3分!ゲーム感覚で続く筋トレ習慣化アプリ | – | Free | Sep 25, 2026 |
| Fit In 100 Days | – | Free | Sep 5, 2025 |