221+ iOS apps curated and reviewed
Out of 221+ hypoxi apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | No | Aug 2026 | |
| 2 |  | Free | 4.7★ (277) | Yes | Yes | Oct 2026 | |
| 3 |  | Free | 4.5★ (8) | No | No | May 2026 | |
| 4 |  | Free | 5.0★ (44) | No | No | Oct 2026 | |
| 5 |  | Free | 4.7★ (118) | No | Yes | Oct 2026 | |
| 6 |  | Free | 4.9★ (7) | No | No | Sep 2026 | |
| 7 |  | Free | 4.9★ (14) | Yes | Yes | Aug 2026 | |
| 8 |  | Free | 5.0★ (1) | No | No | Aug 2026 |
This app helps improve breath-holding capabilities for freediving, underwater hunting, and yoga. It calculates personalized training tables based on your maximum breath-hold time and offers various exercises to enhance stamina and control. Track your progress with statistics and charts, and utilize customizable timers with voice and vibration notifications.
Calculates remaining oxygen in a cylinder for ambulatory users. Input device, liter flow, and cylinder size for precise remaining hours and minutes. Provides peace of mind for oxygen users on the go.
