Stark Bosu Ball icon

Stark Bosu Ball

Postra AB
★ 4.5 (50 ratings)
⬇ 1,000+ downloads
Est. actual: 1,493
Free
Released: Jun 20, 2013
No in-app purchases
No ads

Signals

5 this week · 3 positive All of this week's signals →
  • 📈Last 7 days +1 installs — 0% faster than the week before (+1) · 0/day since Oct 9
  • 🏆Among Health & Fitness apps bottom 0% by installs gained this week (361 peers growing)
  • ⭐Rating steady at ★ 4.50 since Oct 9
  • 🛠Updates actively updated · updated 21 days ago · every ~12 days (2 updates tracked)
  • 🔁Ownership moved from Stark Fitness Apps to Postra AB · Nov 7, 2026
Installs since launch
0 747 1.5K 1.5K Jun 20, 2013 today
+3 installs · 0 ratings since Oct 9
Update history
4.2.0 Oct 22, 2026 · seen Oct 28, 2026
• Improved and more secure Sign in with Apple.<br>• Equipment apps: a clearer sign-in section showing the benefits of the main Stark Fitness app.<br>• Bug fixes.
4.0.2 Oct 9, 2026 · seen Oct 17, 2026
Version 4.0.2 brings a refreshed Stark Bosu Ball.<br><br>- New design with light and dark themes.<br>- Improved workout builder and program browsing.<br>- Redesigned profile.<br>- Improved Quickstart with saved workout settings.<br>- Updated sign-in and account settings.<br>- Bug fixes and reliability improvements.

Stark Bosu Ball is a health & fitness app by Postra AB with 1,000+ downloads (about 1.5K estimated). +1 installs in the last 7 days. Rated 4.5 from 50 ratings. Released Jun 20, 2013. Install growth, rank history, SDKs and ad networks.

From the store listing: “Optimise your results with Stark Bosu Ball!”