Check Calendar - Habit Tracker

Check Calendar - Habit Tracker
Developer: naoki otsu
Category: Productivity
295.8K installs
5.9K ratings
17.5K monthly active users
$<10K monthly revenue est.
IAP 100% · Ad 0%
Install Trends
Weekly +1.2K
Steady
Monthly +6.9K
Steady

Check Calendar - Habit Tracker Summary

Check Calendar - Habit Tracker is a with in-app purchases iOS app in Productivity by naoki otsu. Released in Apr 2021 (4 years ago). It has 5.9K ratings with a 4.70★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 17.5K monthly active users and generates around $<10K monthly revenue (100% IAP / 0% ads). Store metadata: updated Mar 11, 2026.

Recent activity: 5.00 new ratings this week View trends →

Store info: Last updated on App Store on Mar 11, 2026 .


4.7★

Ratings: 5.9K

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Screenshots

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App Description

Check Calendar lets you tick your calendar to record habits.
It packs one-tap checks, notes, unlimited tabs, emojis, reports, notifications, backup/restore, dark mode, and more.

■ Check on the calendar
Record habits with a single tap on the calendar.

■ Notes
Supports short or long notes—write freely and keep everything.

■ Unlimited tabs
Create limitless categories like "Workout," "Study," or "Reading."

■ Emojis
Change checkmarks to any emoji you like.

■ Reports
Visualize habit progress with graphs. Switch periods such as "Last 7 days," "Last 28 days," or "Last 6 months."

■ History
View check history and past note lists in one place.

■ Notifications
Send reminders with your preferred message at your preferred time to prevent forgetting habits.

■ Backup/Restore
Automatically back up and restore data, even when moving to a different device.

■ Dark mode
Choose from Light mode, Dark mode, or Auto based on device settings.

■ Color themes
Change the background to any color you like.

■ Archive
Hide calendars you don't want to display.

■ Biometric authentication
Supports Face ID and Touch ID to protect your valuable records.

■ CSV export
Export individual calendars or all data in CSV format.

■ Check count
Set how many times per day you can check.

■ Security
Data is stored only on your device and never sent to third parties.

■ No login required
Start using the app right away without signing in.

■ Offline support
Works even without an internet connection.

■ Privacy Policy
https://checkcalendar.app/privacy-policy

■ Contact
info@checkcalendar.app