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H2O Breath Hold Trainer

H2O Breath Hold Trainer

Increase lung capacity!

16 ratings
9 reviews
💪 Health & Fitness
Free
In-App Purchases

Details

  • Released
  • Updated
  • May 1, 2024
  • September 10, 2026

Features

Developer

Guillermo Mondet
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H2O Breath Hold Trainer screenshot #10 for iPhone
iphone
ipad
🧾$4.99
In-App Purchase↘︎
⭐9
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🔄6+ apps
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❓8 answered
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About

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.

✓Customizable CO2 & O2 training tables
✓Performance tracking and insights
✓Dynamic training modes
✓Personalized breath-hold assessments
✓Intuitive user interface
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What's New in H2O Breath Hold Trainer

8.5.0

September 10, 2026

New: Empty Lung Hold assessment Test your CO₂ tolerance by holding after a full, relaxed exhale — no oxygen buffer. Your result is measured against your own max breath hold, so you can watch that ratio improve. WOD generator improvements • Land WODs land much closer to the length you pick • EMOM difficulty properly changes the work per minute • Pool WODs reliably hit the round size their difficulty promises • Fixed breath-holds landing back to back and a stuck Sandbag label

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In-App Purchases

$4.99

Premium Edition

Upgrade for all unlocked features!

User reviews

Most RecentHighest RatedLowest Rated

Amazing apnea workout generators!

Best app around for creating endless workouts for pool and land apnea training
Amy74836Amy74836

Love the new updates!

This app just keeps getting better! The new updates are so helpful and I’ve found it so easy to use. Best breath app around. Premium features are worth it too!
TheChillYogiTheChillYogi

Already making impact

This app is great, the categories are very helpful and the game is great too.
Ryan Gosling REALRyan Gosling REAL

Love the tool, bug still there

Using it for CO2 training. Finally worked out why my cardio is so “bad”. However the timer in the CO2 tables jumps from 2 minutes to 22 seconds and then keeps going down.
FourkidsandacatFourkidsandacat

Best free app out there

Helped to increase my max breath hold and overall stress tolerance.
Amy74836Amy74836
See 4 more reviews

FAQ

What is Breath Hold Trainer?

Breath Hold Trainer is a health and fitness application designed to help users increase their lung capacity and CO2 tolerance through structured breath-hold exercises. It offers customizable training tables and performance tracking.

Who is Breath Hold Trainer for?

This app is ideal for freedivers, athletes looking to enhance their performance, and anyone interested in improving their overall breath control and mental resilience. It caters to both beginners and experienced users.

Does Breath Hold Trainer have ads?

No, Breath Hold Trainer does not contain advertisements. The app is free to download and use, with optional in-app purchases available for enhanced features.

What kind of training does Breath Hold Trainer offer?

Breath Hold Trainer provides customizable CO2 and O2 training tables, dynamic training modes, and personalized assessments to help users improve their breath-hold capabilities. It aims to build CO2 tolerance and increase lung capacity.

Can I track my progress with Breath Hold Trainer?

Yes, the app features performance tracking and insights, allowing users to visualize their progress over time with detailed charts and analytics. This helps in understanding and guiding their training journey.

What devices is Breath Hold Trainer available on?

Breath Hold Trainer is compatible with iPhone, iPad, and iPod devices. It is designed to offer a seamless user experience across these Apple platforms.

How often is Breath Hold Trainer updated?

The latest version of Breath Hold Trainer is 6.5.0, last updated on March 30, 2026. This indicates a recent update, suggesting the app is actively maintained.

What is the age rating for Breath Hold Trainer?

Breath Hold Trainer has an age rating of 4+, making it suitable for a wide range of users. This rating suggests no mature content is present in the application.