Check Calendar - Habit Tracker

Name: Check Calendar - Habit Tracker
Rating: 4.4174757 (12763 reviews)
Author: Naoki Otsu

Naoki Otsu

★ 4.4 (12,763 ratings)

⬇ 500,000+ downloads

Est. actual: 702,927

Free

Released: Apr 30, 2021

IAP: $4.99 per item

Contains ads

Rated: Everyone

Signals

4 this week · 3 positive · 1 warning All of this week's signals →

📈Last 7 days +4.9K installs — 28% slower than the week before (+6.8K) · 484/day since Sep 29
🏆Among Productivity apps top 1% by installs gained this week (487 peers growing)
⭐Rating ★ 4.33 → 4.42 since Sep 29
🛠Updates actively updated · updated 13 days ago · every ~24 days (5 updates tracked)

Installs since launch

+15,495 installs · +350 ratings since Sep 29

Update history

14.53.1 Oct 28, 2026 · seen Nov 1, 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 app settings or at info@naokiotsu.com.

14.52.0 Oct 16, 2026 · seen Oct 21, 2026

14.49.0 Oct 2, 2026

14.48.0 Sep 30, 2026

14.47.0 Jul 24, 2026 · seen Sep 29, 2026

Check Calendar - Habit Tracker screenshot

Check Calendar - Habit Tracker is a productivity app by Naoki Otsu with 500,000+ downloads (about 703K estimated). +4.9K installs in the last 7 days. Rated 4.4 from 13K ratings. Released Apr 30, 2021. Install growth, rank history, SDKs and ad networks.

From the store listing: “Check Calendar is an app that lets you track your habits by marking them off on a calendar. It's packed with features like one-tap check-offs, notes, unlimited tabs, emojis, reports, notifications, backup & restore, widgets, dark mode, and more. ■ Check off on the calendar Track your habits by checking them off on…”