21 Days Challenge

Contains adsIn-app purchases
64.8K reviews
Content rating
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About this app

Create your ideal life with life-changing habits.
It is estimated that it takes people 21 days to form a new habit. So it’s a perfect amount of time to change or introduce something new in your life. Choose the best challenge for you (or create your own) and do it for 21 days and you’re going to see how the habit becomes part of your lifestyle day by day.

Starting a healthy lifestyle, taking a break away from the internet, practicing gratitude, learning a new language, trying to be more productive, finding happiness, self-help, how to study effectively, ways to spread kindness and positivity, tips for fixing your sleeping schedule, self-care practices, decluttering, being more confident, writing journal prompts and daily positive affirmations are some of the challenges that you can find in the app.
Basically, you can use this app as a habit tracker.

Once you complete your daily task, you can mark it as completed and collect the points (to customize your avatar, to unlock motivational reminders and free wallpapers).

In the gratitude challenge, you can write your thoughts and share them in the feed (it can be anonymous too). Here you're going to see all the community answers and you can also give it a like, comment, or send gifts to your favorite ones.

Create a healthier and happier mind with journaling. With this app, you can write a daily journal and choose your daily mood. Then you can track your mood in the calendar and see all your previous records.

There’s a selection of positive wallpapers for your phone and motivational reminders to share with your friends. Also, some relaxing music.

Enable notifications and choose the time to be notified to remind you to do the challenge every day.

You have all of this in one app for free!

Don’t forget to take care of your body and mind. It's the only place you have to live.

Your journey to self-improvement and better mental health starts today!
Updated on
May 4, 2022

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.
This app may share these data types with third parties
Personal info and Device or other IDs
No data collected
Learn more about how developers declare collection
Data is encrypted in transit
You can request that data be deleted
64.8K reviews
Lacy King
March 22, 2022
This app is awesome. It works well and has categories for just about everything a person can think to improve on. Having an app to help walk through those changes on a step by step basis that also has great advice is fantastic. And I can set what time I want the app to give me reminder notifications.
107 people found this review helpful
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February 21, 2022
Very cute and soft atmosphere. There are so many apps that give tons of notifications and feels so pressuring, this app is very simplistic but it's cozy and doesn't feel like another Thing I have to do, especially during depression funks. It can get a little much if you start a bunch of challenges all at once, but you have the option to hide those away and clean up the UI a bit so you only have whichever challenges you choose. It's a good start, but isn't for those who need to be yelled at.
210 people found this review helpful
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Danielle Macedo
January 16, 2022
I love the concept and experience of this app. My only feedback is about the UI. I would highly consider making color palettes that are more contrasting with the text to make it more accessible to a wider audience with visual impairments. I'm glad to see there is dark mode, but is unfortunate if there's not a free color setting that is legible against the white text. Otherwise, loving this app, just started on my first challenges, I can't wait to see how they go!
91 people found this review helpful
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What's new

New challenge :)

Be proud of yourself for being so strong