📈Last 7 days+8K installs — 27% faster than the week before (+6.3K) · 1.4K/day since Sep 27
🏆Among Lifestyle appstop 1% by installs gained this week (555 peers growing)
⭐Rating steady at ★ 4.68 since Sep 27
🛠Updatesactively updated · updated 11 days ago · every ~34 days (3 updates tracked)
Installs since launch
+62,099 installs
· +522 ratings
since Sep 27
Update history
8.7.35Nov 3, 2026 · seen Oct 30, 2026
✨ A clearer Premium screen<br>See every plan side by side, with the monthly cost of the yearly plan and what Premium includes. Subscribers now keep Premium more reliably, plus small improvements throughout the app.<br><br>"We are what we repeatedly do. Excellence, then, is not an act, but a habit." — Will Durant<br>
8.7.32Oct 19, 2026
🌱 A stronger start<br>Small improvements to help you keep your rhythm in the first days of every challenge.<br><br>"Success is the sum of small efforts, repeated day in and day out." — Robert Collier<br>
8.7.23Aug 26, 2026 · seen Sep 27, 2026
✨ Smoother and steadier<br>Behind-the-scenes improvements to keep your days running smoothly, in all 11 languages.<br><br>"We are what we repeatedly do. Excellence, then, is not an act, but a habit." — Will Durant<br>
21 Days Challenge is a lifestyle app by Kati & Lima with 10,000,000+ downloads (about 11M estimated). +8K installs in the last 7 days. Rated 4.7 from 93K ratings. Released Sep 4, 2019. Install growth, rank history, SDKs and ad networks.
From the store listing: “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…”
