H2O Breath Hold Trainer
Guillermo Mondet Health & Fitness iPhoneiPadiPod touch
H2O Breath Hold Trainer is a free Health & Fitness app for iPhone and iPad by Guillermo Mondet. Rated 5.0/5 from 16 ratings. Requires iOS 15.0.
- Rating
- 5.0
- 16 ratings
- Price
- Free
- on the App Store
- Size
- 124 MB
- Age 4+
- Updated
- Sep 29
- 2026 · v9.0.1
Screenshots
About H2O Breath Hold Trainer
Unlock the full potential of your breath with Breath Hold Trainer, the ultimate tool for building CO2 tolerance, increasing lung capacity, and mastering mental resilience. Designed for freedivers, athletes, and anyone looking to improve their breath control, this app offers a suite of powerful features to help you train smarter. Features: • Customizable CO2 & O2 Training Tables: Tailor your breath-hold sessions to match your goals and experience level. • Performance Tracking & Insights: Visualize your progress over time with detailed charts and analytics. • Dynamic Training Modes: Challenge yourself with advanced training methods to push your limits. • Personalized Assessments: Discover your max breath-hold, BOLT score, and other key metrics to guide your training. • Seamless User Experience: Enjoy a sleek, intuitive interface designed for both beginners and pros. Why Choose Breath Hold Trainer? Whether you’re preparing for a freediving competition, enhancing your athletic performance, or simply improving your overall well-being, Breath Hold Trainer offers a scientifically backed approach to breath training. From structured training ses to on-the-go tools, this app is your companion on the journey to better breathing.
Ratings & reviews
5.0
16 ratings
What’s new
Version 9.0.1 · Updated September 29, 2026
Bug fixes for the H2O Game: smoother, more reliable play.
App privacy
The developer, Guillermo Mondet, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to H2O Breath Hold Trainer
Looking for apps like H2O Breath Hold Trainer? Here are 6 similar apps on the App Store. The highest rated is H2O Fitness (5.0/5), and all 6 are free to download.
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H2O Fitness
5.0
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Freediving Breath Trainer
5.0
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Deep End Fitness App
5.0
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Freediving hold breath + Apnea
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Dive Hard Freediving Trainer
4.9
-
Apnea Trainer: Nea
4.9
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| H2O Breath Hold Trainer | 5.0 / 5 (16 ratings) | Free | September 29, 2026 | |
| H2O Fitness | 5.0 / 5 (12) | Free | Aug 23, 2026 | Compare |
| Freediving Breath Trainer | 5.0 / 5 (5) | Free | Aug 25, 2026 | Compare |
| Deep End Fitness App | 5.0 / 5 (141) | Free | Jun 17, 2026 | Compare |
| Freediving hold breath + Apnea | – | Free | Jun 6, 2025 | Compare |
| Dive Hard Freediving Trainer | 4.9 / 5 (10) | Free | Nov 15, 2025 | Compare |
| Apnea Trainer: Nea | 4.9 / 5 (13) | Free | Oct 20, 2025 | Compare |