H2O Breath Hold Trainer

Increase lung capacity!

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

NEW: Build your own custom hold/recovery tables. Plus CO2/O2 tables, lung warmups, breath-hold assessments, and land & pool WODs — everything to train smarter. 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.

  • 5.0
    out of 5
    16 Ratings

Build and save your own custom breath-hold training tables — pick a template, drag to adjust hold and recovery times, and run it like any other table. CO2, O2, and Custom Tables now live together under one Training Tables menu. Personal records are now called out right in your training log, charts, and after every session.

The developer, Guillermo Mondet, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Seller
    • Guillermo Mondet
    Size
    • 201.2 MB
    Category
    • Health & Fitness
    Compatibility
    Requires iOS 13.0 or later.
    • iPhone
      Requires iOS 13.0 or later.
    • iPad
      Requires iPadOS 13.0 or later.
    • iPod touch
      Requires iOS 13.0 or later.
    • Mac
      Requires macOS 11.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    • English
    Age Rating
    9+
    In-App Purchases
    Yes
    Copyright
    • © Will Mondet