250+ iOS apps curated and reviewed
Finding the right h2o breath hold trainer apps can be overwhelming with so many options. We've analyzed 250+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 5.0★ (16) | No | Yes | Oct 2026 | |
| 2 |  | Free | 4.9★ (9) | Yes | Yes | May 2026 | |
| 3 |  | Free | 5.0★ (5) | No | Yes | Sep 2026 | |
| 4 |  | Free | 4.9★ (14) | No | Yes | Sep 2026 | |
| 5 |  | Free | — | No | Yes | Jun 2026 | |
| 6 |  | Free | — | — | No | Jul 2026 | |
| 7 |  | Free | — | Yes | Yes | Sep 2026 | |
| 8 |  | $1.99 | 5.0★ (1) | No | No | Oct 2026 |
Enhance your breath control, lung capacity, and mental resilience. This app provides customizable training tables, performance tracking, and personalized assessments to help you improve your breath-holding abilities for freediving, athletics, or general well-being.
Enhance your underwater endurance and performance with this training app. It utilizes proven CO2 and O2 tables, along with box breathing techniques, to help you master your breath-hold. Ideal for freedivers, swimmers, and military personnel.
This app helps you improve your breath-holding capabilities for freediving. It offers personalized training plans based on an initial breath test and tracks your progress to help you achieve longer underwater times.
