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Screenshots

  • H2O Breath Hold Trainer screenshot 1
  • H2O Breath Hold Trainer screenshot 2
  • H2O Breath Hold Trainer screenshot 3
  • H2O Breath Hold Trainer screenshot 4

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

5 ★ 100% 4 ★ 0% 3 ★ 0% 2 ★ 0% 1 ★ 0%

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.

H2O Breath Hold Trainer vs. alternatives
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

Compare H2O Breath Hold Trainer with the top alternatives: ratings, updates, ASO score and keyword gaps →