Apps by naoki otsu
Habit Check Calendar app icon

Productivity

Habit Check Calendar

naoki otsu

Free download 4.81 · 1 storefront · 97 ratings In-app purchases unconfirmed
Open on Apple

About this app

Check off your weekly calendar to track your habits! Packed with features like one-tap check-ins, memos, unlimited tabs, emojis, reports, notifications, backup/restore, widgets, dark mode, and more. ■ Check habits on a weekly calendar Track your habits by checking them off on a weekly calendar. ■ Multiple habits on one screen View several habits all on a single screen. ■ Daily memos Jot down the day's insights and accomplishments as memos. ■ Unlimited tabs Organize all your habits by category, like "Work," "Workouts," and "Study." ■ 1,000+ emojis Check off habits with your favorite emoji instead of a checkmark. ■ Reports Check your all-time, this month, last month, and longest check streaks, and visualize your progress with charts. ■ Notifications Get reminded at a time you choose with any message you like, so you never accidentally forget a habit. ■ Backup / Restore Back up automatically and restore anytime. You can back up and restore even across different devices or operating systems. ■ Dark mode Choose your theme from Light, Dark, or automatic switching based on your device settings. ■ Color themes Change the background to any color you like. ■ Archive Hide calendars you don't want to display while keeping their data intact. ■ Biometrics Supports Face ID and Touch ID, so only you can open the app. ■ CSV export Export an individual calendar or all of your data in CSV format. ■ Check count Freely set how many check-ins you want per day. ■ No login required Start using the app right away—no login needed. ■ Offline ready Works even without an internet connection. ■ Swipe to move between weeks Quickly jump between weeks by swiping left or right. ■ How to use 1. Open the app 2. Create a habit 3. Tap the calendar That's it! Recording your habits is just one tap away, so you'll never find it a hassle! ■ Security Privacy is the top priority of this app. Your data is stored only on your device and is never sent anywhere else. ■ Privacy Policy https://naokiotsu.com/privacy-policy ■ Contact If you have any requests or questions, please feel free to reach out via the in-app contact form or the email address below. info@naokiotsu.com

Latest release

What’s New

Version 7.38.0 Aug 8, 2026

- The latest version includes new features, bug fixes, and performance improvements. Thank you for always using our app. We will continue to develop it with the valuable feedback from everyone. If you have any requests or encounter any issues, please feel free to contact us through "Send Feedback" in the settings.

Audience growth

Ratings growth

Steady
7-day gain +0
Ratings / day 0.0
30-day gain +0
US rating-count history
97 ratings
97 Aug 12, 2026 · 97 ratings Aug 12, 2026

Baseline captured. Growth appears after the crawler observes a changed rating count.

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

Price tracking

Price intelligence

1 captured event
Current Free
Historical low Free
Paid → free
Price history
Current Free
Free Aug 12, 2026 · Free Aug 12, 2026

First snapshot captured. The trend line starts after the next crawler price observation.

  1. First observed Aug 12, 2026 · 10:44 PM Free

Screenshots

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