66 Days - Habit Tracker 4+

Creating good habits‪.‬


Designed for iPad

    • 4.0 • 3 Ratings
    • Free
    • Offers In-App Purchases


UCL. I studied habits at University College London. The average time it takes to build habits is 66 days. You do not have to put much effort into habits. Because if you repeat the behavior long enough, it will become a habit and automatically happen.

If you check more than one habitual activity per day, continuous days will continue. Go ahead for 66 days and make your habits a goal for action right now.

[Special Features]
Set goals on a project-by-project basis and form habits.

Dark mode support
Notification function support
Memo function support
Photo recording support

Terms of Use (EULA): https://days-8e727.web.app/terms-of-use
Privacy Policy: https://days-8e727.web.app/privacy-policy

What’s New

Version 2.4.1

App stability and bugs fixed.

Ratings and Reviews

4.0 out of 5
3 Ratings

3 Ratings

Chloefizzball ,

Love the concept but needs improvement

I love this app to keep track of new habits but I wish you could go back and change and mark the habits done on each day because after it turns 12:00am on the clock it won’t let you mark your completed habits from the day even if you completed them. This is what bugs me so bad about this, because it’s messing up the progress on the tracking even though I completed all the habits.

Annetterudge ,

Not happy with new format

I miss the balloons and woke up to all my information for power habits missing with a new update. It’s frustrating to have to start over and then realize I need to import my old data and now it’s out of order with the transfer and feels like a totally different app 😨 I was doing so well for 639 days except when I was on an airplane and my data didn’t save in airplane mode. I wish there was an edit button so I can fix the missing days I noted on paper. Any chance of having the new version be a separate application?

Developer Response ,

This update is an all-new app for iOS 15. But the important part is the same. We are very sorry for the frustration caused by the many changes. Unfortunately, there are no plans to separate the old app. We will definitely consider updating the balloons. Thank you for using this app for a long time.

sdbland87 ,

Great app just needs reminders

Perfect to track what you want just wish it would send you a daily reminder

App Privacy

The developer, SEUNGYEON KIM, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • User Content
  • Identifiers

Privacy practices may vary, for example, based on the features you use or your age. Learn More

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