Comparison

Check Calendar vs Habit Tracker Master

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Check Calendar

Track your daily habits by marking them on a calendar with one-tap check-offs. Customize your experience with notes, unlimited categories, emojis, and color themes. Visualize progress with reports and receive timely notifications to stay on track.

Highlights
  • One-tap calendar check-offs
  • Unlimited habit categories
  • Customizable emojis and colors
  • Progress reports and graphs
  • Notifications and reminders
  • Data backup and restore
  • Widget support
Features
Read full description

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

About

Habit Tracker Master

Features
Read full description

Are you looking to consolidate a new habit? Habit Tracker Master is the motivational push you are looking for! Create unlimited habits customized with billions of selectable colors. Just create a new habit, choose how many days at least you want to do it and pick a color. After this you could track your progress in a colorful calendar and stay motivated with multiple progress indicators! We recommend to set as 21 the days required for a new habit. From here most expert say it's so much easier to keep the habit for long time. Please, if you like this app leave a comment or a rating! Thank you!

Screenshots

Check Calendar4 screens
Habit Tracker Master4 screens

Verdict

The call

The clearest difference is in-app purchases: Habit Tracker Master at none against Check Calendar's 1. Habit Tracker Master also leads on iOS requirement (9.0 vs 15.1). Check Calendar's advantage is ads (none vs shown) and update cadence (every 4 days vs every 3 weeks). On price and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Check Calendar sells 1 one-off in-app purchase. Habit Tracker Master asks for nothing beyond the download.

UpkeepUpdate frequency

Check Calendar ships an update every 4 days, Habit Tracker Master every 3 weeks. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
Check Calendar versus Habit Tracker Master: the parameters behind the verdict, then further details
ParameterCheck CalendarHabit Tracker Master
PriceFreeFree
Rating4.7 (1.6K ratings) — better—
Positive reviews53.0% of reviews—
Number of ratings1.6K — better—
Update frequencyEvery 4 days — betterEvery 3 weeks
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.19.0 — better
Further details — not scored
Size58 MB56 MB
Age rating4+4+
Developernaoki otsuFerran Espuna

Bugs and requests

Check Calendar

Reported bugs

3 issues
  • Inconsistent date tracking
  • Syncing issues between devices
  • Unexpected loss of data and progress

Requested features

4 requests
  • Add widget support
  • Implement reminder/notification system
  • Provide more data visualization and analytics
  • Allow selective clearing of check marks

Habit Tracker Master

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Check Calendar

One-time1
  • Premium (Pay Once)$4.99
None

Habit Tracker Master

No in-app purchases

Questions

Is Check Calendar free?
Check Calendar is free to download, with in-app purchases available.
Is Habit Tracker Master free?
Habit Tracker Master is free to download, with no in-app purchases.
Do Check Calendar or Habit Tracker Master have ads?
Habit Tracker Master shows ads; Check Calendar does not.
Which is updated more often, Check Calendar or Habit Tracker Master?
Check Calendar ships an update every 4 days, and Habit Tracker Master every 3 weeks. Most recently, Check Calendar was updated on November 7, 2026 and Habit Tracker Master on November 3, 2026.

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