AppBrain
AppBrain
  • Apps
  • Apps being viewed right now Trending apps today Most popular apps All-time most installed apps Top rated apps iPhone and iPad apps
  • Intelligence ▾
    Intelligence overview → Track any Android app or your whole market
    Track & analyze
    Keyword Tracker & OptimizerTrack & improve Play rankings App Performance ReportOne-off PDF for any app StatisticsFree Android & Play market stats
    Promote your app
    Featured Apps App Links
  • Intelligence
  • Pricing
  • Dashboard
  • Sign up
  • Log in
App Store Apps > Productivity > Check Calendar - Habit Tracker
Check Calendar - Habit Tracker icon

Check Calendar - Habit Tracker

by naoki otsu · Productivity · Free
On the App Store since April 2021 · Data updated 2026-10-31

Check Calendar - Habit Tracker is made and published by naoki otsu. AppBrain is an independent app data site and isn't affiliated with naoki otsu. The app name, icon, screenshots and description belong to naoki otsu and are shown as published on the App Store.

AppBrain's verdict

EstablishedLoved by users
Rating on App Store
4.74
1,565 ratings
Last updated
October 28, 2026
Size
58.3 MB

Users love it: 4.7 stars from 1,565 ratings.

Official page on the App Store

User feedback

Ratings and reviews on the App Store

Comments on Check Calendar - Habit Tracker for iOS

We don't have enough comments to show example comments. Please check back later.

Store listing

By naoki otsu, from the App Store
Check Calendar - Habit Tracker Screenshot 1 of 8
Check Calendar - Habit Tracker Screenshot 2 of 8
Check Calendar - Habit Tracker Screenshot 3 of 8
Check Calendar - Habit Tracker Screenshot 4 of 8
Check Calendar - Habit Tracker Screenshot 5 of 8
Check Calendar - Habit Tracker Screenshot 6 of 8
Check Calendar - Habit Tracker Screenshot 7 of 8
Check Calendar - Habit Tracker Screenshot 8 of 8
Screenshots by naoki otsu, from the the App Store listing
Description by naoki otsu Written by the developer, not by AppBrain. Click to read.
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 the calendar with a single tap.

■ Notes
Supports both short and long notes! Write freely to keep your records.

■ Unlimited tabs
Create unlimited categories like "Workout," "Study," and "Reading."

■ Emojis
Change your checkmark to any emoji you like.

■ Checkmark color
Change your checkmark to any color you like.

■ Reports
Visualize your habit progress with graphs. You can freely change the time range, such as "Last 7 days," "Last 28 days," or "Last 6 months."

■ History
View your check-off history, a list of past notes, and more.

■ Notifications
Send notifications at any time with any message you choose. Use them so you never forget your habits.

■ Backup / Restore
Automatically back up and restore your data. You can transfer your data even across different devices.

■ Widget
Check off on the calendar and view your totals right from the widget, without opening the app.
You can also use the report widget to quickly check your cumulative, this month, and last month check-off counts.

■ Dark mode
Choose your theme from "Light mode," "Dark mode," or "Switch automatically based on device settings."

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

■ Archive
Hide calendars you don't want to see by archiving them.

■ Biometric authentication
Supports Face ID and Touch ID. Keep your important records safe and secure.

■ CSV export
Export an individual calendar or all of your data in CSV format.

■ Check count
Freely set how many times you can check off per day.

■ Security
Your data is stored only on your device. It is 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
If you have any requests or questions, please feel free to reach out through the in-app contact form or via the email address below.
info@checkcalendar.app
Official page on the App Store Also on Google Play

Safety and technology

Found in the app by AppBrain
Price
Free
App size
58.3 MB
Content rating
Everyone

Technologies used by Check Calendar - Habit Tracker

Releases

Updates seen on the App Store
Version
14.53.2
Launched
April 2021

No changelog data

Alternatives

Similar apps and more from naoki otsu

Alternatives to Check Calendar - Habit Tracker

Mark Off: Calendar & Tracker icon Mark Off: Calendar & Tracker
Viktor Gavrilov
4.5
Free
320 ratings
DayStamp - Habit Tracker icon DayStamp - Habit Tracker
hbull
4.6
Free
489 ratings
Evoday: Habit Tracker icon Evoday: Habit Tracker
Cosmic Taps SL
4.8
Free
1.4K ratings
Don't Break The Chain! icon Don't Break The Chain!
ROUGE41
4.8
Free
1.4K ratings
Daily Habits - Habit Tracker icon Daily Habits - Habit Tracker
Olha Ievenko
4.4
Free
298 ratings
Habit Tracker - Habit Diary icon Habit Tracker - Habit Diary
Leap Health
4.2
Free
5 ratings
Habit Tracker - Daily Goal icon Habit Tracker - Daily Goal
Volodymyr Yahenskyi
4.5
Free
363 ratings
Awesome Habits: Habit Tracker icon Awesome Habits: Habit Tracker
Michal Tuma
4.8
Free
942 ratings

More from naoki otsu

Habit Check Calendar icon Habit Check Calendar
naoki otsu
4.8
Free
102 ratings
Daily Checklist - Today's Task icon Daily Checklist - Today's Task
naoki otsu
4.6
Free
81 ratings
ToDo for Google - Manage tasks icon ToDo for Google - Manage tasks
naoki otsu
4.4
Free
25 ratings
Plan Calendar -Make a Schedule icon Plan Calendar -Make a Schedule
naoki otsu
5.0
Free
22 ratings
NameNotes - Take Note of Names icon NameNotes - Take Note of Names
naoki otsu
4.7
Free
13 ratings
Simple Notes - Take notes icon Simple Notes - Take notes
naoki otsu
4.6
Free
11 ratings
LinkList - Open Links Quickly icon LinkList - Open Links Quickly
naoki otsu
4.6
Free
8 ratings
Counter - One-Tap Counter icon Counter - One-Tap Counter
naoki otsu
5.0
Free
8 ratings

Also available on Google Play

Checklist Calendar Alarm icon Checklist Calendar Alarm
Oksoft
3.4
Free
500+

Rankings

App Store top charts

App Store Rankings for Check Calendar - Habit Tracker

This app is not ranked

About the app and developer

About Check Calendar - Habit Tracker

Check Calendar - Habit Tracker is a productivity app developed by naoki otsu.

User Ratings

Check Calendar - Habit Tracker is rated 4.74 out of 5 stars. The rating is based on 1.6 thousand ratings.

App Information

Check Calendar - Habit Tracker is freely available from the App Store. The app size is 58.33 MB. The latest version available is 14.53.2. The last update was on October 28, 2026.

Technical Requirements

The app has a content rating of Everyone. The app has been available on the App Store since April 2021.

Developer information for naoki otsu

naoki otsu

Address:

Frequently asked questions about Check Calendar - Habit Tracker

Is Check Calendar - Habit Tracker free?

Yes. Check Calendar - Habit Tracker is free on the App Store.

Is Check Calendar - Habit Tracker still available?

Yes. Check Calendar - Habit Tracker is on the App Store, and the last update we saw was on October 28, 2026.

How large is Check Calendar - Habit Tracker?

Check Calendar - Habit Tracker is 58.33 MB.

Is Check Calendar - Habit Tracker suitable for children?

App Store rates the content of Check Calendar - Habit Tracker as suitable for everyone.

How do people rate Check Calendar - Habit Tracker?

Check Calendar - Habit Tracker scores 4.74 out of 5 stars, from 1,565 ratings on the App Store.

Who made Check Calendar - Habit Tracker?

Check Calendar - Habit Tracker was developed by naoki otsu. It is listed in the productivity category on the App Store.

What are the best alternatives to Check Calendar - Habit Tracker?

People looking at Check Calendar - Habit Tracker also look at these productivity apps: Mark Off: Calendar & Tracker, DayStamp - Habit Tracker, Evoday: Habit Tracker, Don't Break The Chain!, Daily Habits - Habit Tracker.

Share Check Calendar - Habit Tracker

Top new apps Today's trending apps Apps other people are watching Popular Productivity Apps Price drops on Google Play
Mark Off: Calendar & Tracker icon Mark Off: Calendar & Tracker
DayStamp - Habit Tracker icon DayStamp - Habit Tracker
Evoday: Habit Tracker icon Evoday: Habit Tracker
Don't Break The Chain! icon Don't Break The Chain!
Daily Habits - Habit Tracker icon Daily Habits - Habit Tracker
Habit Tracker - Habit Diary icon Habit Tracker - Habit Diary
Habit Tracker - Daily Goal icon Habit Tracker - Daily Goal
Awesome Habits: Habit Tracker icon Awesome Habits: Habit Tracker
Overview Alternatives Reviews Rankings Technology
AppBrain Intelligence premium content

Subscribe now to get full and unlimited access to AppBrain Intelligence. You'll have access to:

  • App Intelligence dashboard (performance timeline, competitor comparison, country rankings, insight cards)
  • Detailed ranking data per app
  • Full timeline per developer
  • Device market shares data per country
  • Unlimited keyword tracking
1 Month

$75/mo
(billed every month)

SAVE 0%
Subscribe
3 Months

$65/mo
($195 billed every 3 months)

SAVE 13%
Subscribe
1 Year

$57.50/mo
($690 billed every year)

SAVE 23%
Subscribe
Each subscription will automatically renew 3 days before the expiration date for the same time period. Subscriptions can be cancelled at any time before the renewal.

AppBrain is an app data site, we track rankings, ratings, installs for all apps and games on Google Play and the App Store. AppBrain doesn't host app files or APKs, all install links go directly to the official store. All trademarks are owned by their respective owners.

More apps

  • Top Android apps being viewed
  • PhantomShell Launcher
  • Amiora: Learn Spanish AI Tutor
  • Bird Village : Kuşcu Oyunu

App statistics

  • Android statistics
  • Google Play Developer stats
  • Trending Android Apps
  • Trending iOS apps
  • Top popular Apps
  • Buy the best Android phone
  • Buy & sell app businesses

About AppBrain

  • Contact
  • Privacy
  • Documentation
  • DMCA takedowns
  • Blog
  • How to improve the earnings of your ad units
© 2010-2026 - AppBrain