Thử thách 21 ngày

10+
Downloads
Content rating
Teen
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About this app

21-Day Challenge - Build Good Habits Every Day
Want to change your life? Start with small habits!

21-Day Challenge is an app that accompanies you on your journey to build good habits. Research shows that it only takes 21 days of persistence for an action to become a habit. It's time to make your goals come true!
Outstanding Features
• Join Diverse Challenges
Discover and join habit-building challenges from the community - from exercising, reading, drinking enough water to meditating and learning a foreign language.
• Daily Journal
Track your progress by keeping a daily journal. Each completed milestone is a motivation for you to continue striving.
• Smart Reminder
Don't worry about forgetting! The app will send you notifications to remind you to do the challenge at the right time, helping you stay motivated every day.
• Create Your Own Challenge
Create a challenge that fits your personal goals and share it with the community. Build good habits together and inspire others!

Start your 21-day challenge today and see the positive changes in your life!
Updated on
Nov 4, 2025

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

What’s new

Multi-Language Support

App support

About the developer
Bui Thanh Tung
vinhvd@miagi-so.com
P2104 27A2 C2 KĐT Giao Lưu,Cổ Nhuế1, Bắc Từ Liêm, Hà Nội 100000 Vietnam

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