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Screenshots

  • The 21 Days Challenge screenshot 1
  • The 21 Days Challenge screenshot 2
  • The 21 Days Challenge screenshot 3
  • The 21 Days Challenge screenshot 4

About The 21 Days Challenge

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 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, trying to be more productive, simple practices to find happiness and calm in your life, how to study effectively for all the students, ways to spread kindness and positivity, tips for fixing your sleeping schedule and daily positive affirmations are some of the challenges that you can find in the app. Once you complete your daily task, you can mark as completed and collect the points (to customize your avatar). This way, you can use this app like a habit tracker. In the gratitude challenge, you can write your thoughts and share them in the feed (you can leave anonymously too). Here you're going to see all the community answers and you can also give it a like on your favorite ones. Complete tasks on your profile and do daily challenges to collect points so you can buy items for your own avatar like different hairstyles, eyes and mouth shapes and clothes. Create a healthier and happier mind with journaling. With this app you can daily journal and choose your daily mood. Then you can track your mood in the calendar and see all your previous records. You also a have a selection of positive wallpapers for your phone. Enable notifications and choose the time to be notified to remind you to do the challenge every day. Don’t forget to take care of your body and mind. It's the only place you have to live. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Ratings & reviews

4.7

562 ratings

5 ★ 83% 4 ★ 11% 3 ★ 3% 2 ★ 1% 1 ★ 2%

What’s new

Version 8.7.19 · Updated August 15, 2026

A faster start and a friendlier feed. No more waiting on launch — the loading stall that could hold you on the opening screen is gone. Daily challenge reminders now arrive in your own language instead of English. Comments are better: you can like a comment, and replying feels smoother throughout. The likes count on your profile is accurate again. Challenge artwork now ships with the app, so browsing challenges is instant — and new challenges still arrive automatically. Plenty of quieter fixes for stability and speed. "Little by little, a little becomes a lot." — Tanzanian proverb

App privacy

The developer, Kati Pereira, reported these privacy practices to Apple.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Identifiers: Device ID

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Identifiers: Device ID
  • Diagnostics: Crash Data

Used for: Third-Party Advertising, Analytics

Alternatives to The 21 Days Challenge

Looking for apps like The 21 Days Challenge? Here are 6 similar apps on the App Store. The highest rated is كتكوتي - Katkoty (4.6/5), and all 6 are free to download.

The 21 Days Challenge vs. alternatives
App Rating Price Last updated
The 21 Days Challenge 4.7 / 5 (562 ratings) Free August 15, 2026
كتكوتي - Katkoty 4.6 / 5 (214) Free Sep 23, 2026
Wocute - sister in your life 4.1 / 5 (295) Free Mar 13, 2026
واعي - للتعافي من الإدمان 4.6 / 5 (2,522) Free Jul 22, 2026
Cenomi Plus 4.6 / 5 (1,031) Free Sep 17, 2026
Ehsan | إحسان 4.6 / 5 (1,002) Free Aug 20, 2026
Ozee 4.6 / 5 (637) Free Sep 20, 2026