21DaysOfChange
Hong Son Vu Lifestyle iPhoneiPadiPod touch
21DaysOfChange is a free Lifestyle app for iPhone and iPad by Hong Son Vu. Requires iOS 16.4. Updated July 27, 2026.
- Price
- Free
- on the App Store
- Size
- 59 MB
- Age 4+
- Updated
- Jul 27
- 2026 · v1.1.2
Screenshots
About 21DaysOfChange
With our clear guidance and a bit of fun, we'll help you transform your habits into something you can be proud of. Imagine growing a tree - starting small, nurturing it daily, and watching it flourish. In just 21 days, you'll cultivate a new habit with tips and strategies that will last a lifetime. Join us on this transformative journey and take control of your lifestyle, one habit at a time. Terms Of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.21daysofchange.app/privacypolicy
What’s new
Version 1.1.2 · Updated July 27, 2026
- Minor bug fixes - Added premium subscription
App privacy
The developer, Hong Son Vu, reported these privacy practices to Apple.
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Contact Info: Name, Email Address
Used for: Analytics, App Functionality
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:
- Location: Coarse Location
Used for: App Functionality
Alternatives to 21DaysOfChange
Looking for apps like 21DaysOfChange? Here are 6 similar apps on the App Store. The highest rated is Soft Reset (5.0/5), and all 6 are free to download.
-
21-Day Happiness Challenge
-
Soft Reset
5.0
-
Formy - Simple Habit Tracker
-
No Contact Tracker - Breakup44
-
quiet effort: we notice
-
Deliberate Creation
5.0
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| 21DaysOfChange | – | Free | July 27, 2026 | |
| 21-Day Happiness Challenge | – | Free | Jun 11, 2025 | Compare |
| Soft Reset | 5.0 / 5 (1) | Free | Jan 14, 2026 | Compare |
| Formy - Simple Habit Tracker | – | Free | Feb 3, 2026 | Compare |
| No Contact Tracker - Breakup44 | – | Free | Oct 9, 2026 | Compare |
| quiet effort: we notice | – | Free | Dec 18, 2025 | Compare |
| Deliberate Creation | 5.0 / 5 (2) | Free | Aug 24, 2026 | Compare |
Compare 21DaysOfChange with the top alternatives: ratings, updates, ASO score and keyword gaps →