21 Days Challenge - Habit App

3.9
221 reviews
50K+
Downloads
Content rating
Everyone
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About this app

Ever wondered how long does it take to break a habit?


Scientists and leading psychology research suggest that it takes us around 21 days to break or form a new habit.

This means doing a good thing (eating clean, exercising daily) can become your habit if done 21 days in a row.

And Bestselling Book “Power of Habit by Charles Duhigg” suggests that an old bad habit cannot be extinguished in a day, but can only be replaced with a new good habit in 21 days period.

So if you want to Quit Smoking? Lose Weight by eating clean? Quit eating junk food? Exercise daily? Go to Gym daily?
Just do it for 21 days straight and our app allows you to record your golden age of lifestyle transformation.

How does it work?


To transform your lifestyle and create new good habits :
Add a new goal that you want to pursue
Replace it with a bad habit that you want to quit or extinguish
Set reminder for the time you may want to be reminded
Tap on Mark as Completed if you did it and if you couldn’t do it somehow, restart it!

New Habits You Can Build with our App


1. Quit Smoking
2. 21 Days of No Fap
3. 21 Days of No Sugar
4. 21 Days of Intermittent Fasting
5. 21 Days of Eating Clean
6. 21 Days of Reading a book
7. 21 Days of Being Early Bird
8. 21 Days of Code
9. 21 Days of Journaling
10. 21 Days of Yoga

Features that you may like


1. Powerful reminders with flexible scheduling
2. Updating goals doesn’t take more than a minute
3. Create a new avatar for your new lifestyle
4. Replace your bad habits with new habits
5. Calendar view to visualise your progress
6. Animations to lighten up the mood
Updated on
Oct 29, 2023

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection

Ratings and reviews

3.8
208 reviews
Ashley Dion
May 26, 2021
**update** the app has been updated and seems to be working great now. I was using the app fine for a few weeks; it is simple to use and the reminders are helpful. But despite the requested time for a reminder, I have started getting reminders much too late in the day. At first it was just off by an hour or so but lately I have been getting notifications for all my goals at the same time at the end of the day.
50 people found this review helpful
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DeviationApps
May 25, 2021
Hi I have fixed the issue, please update your app.
A Google user
December 22, 2019
I like the app but it's a little basic. It would be great if there were the beginning and end dates. Also the share icon would be nice and section where you could journal for each date. This is great if you want just track days but changing habits is a process and it would be great to have all these options in one app to document the journey.
34 people found this review helpful
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DeviationApps
December 27, 2019
Thanks for reaching us out! We value your feedback and we will definitely consider these points in the next update! Thanks for sharing your valuable feedback!
Akash Srivastava
February 7, 2022
1) You should remove the necessity of adding a reminder while adding a goal. For eg. If someone have to add a goal of not doing something for 21 days, why they will add a reminder of that thing. So that's why I think the reminder thing should be optional. 2) The color of the tick icon of the goal should change from grey to green when we click on it, but it does the opposite. 3) In case I mistakenly click on the tick of a goal it adds one day completion of that task, and I can't undo my actio
18 people found this review helpful
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DeviationApps
February 8, 2022
Will keep in mind while preparing next release, thanks for the feedback!

What's new

Updates as per new policy requirements