Very useful
Response from developer
Thank you for review! I hope app will be useful and help you with your snorkeling journey.

Enhance your breath-hold capabilities with guided apnea training sessions. Improve lung capacity, CO₂ tolerance, and breathing control for activities like freediving, surfing, or general wellness. Track progress with detailed statistics and personalized training plans.
1.6.1
October 8, 2025
New features inside BreatheDeep - Apnea Trainer: - You asked, I delivered! Right now app is available in 10 additional languages: Japanese, Chinese Simplified, Chinese Traditional, Korean, Vietnamese, Spanish, German, French, Italian and Portuguese! - Training reminders and timer notifications added. - Slightly changed UI for better User Experience like additional plan preview inside CO2 / O2 training timer. - Small Bug Fixes
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Thank you for review! I hope app will be useful and help you with your snorkeling journey.
BreatheDeep is used for guided breath-hold training to improve lung capacity, CO₂ tolerance, and overall breathing control. It offers programs for breath-hold tests, CO₂ tolerance, and O₂ enhancement.
BreatheDeep offers a weekly subscription for $0.99 with a 3-day free trial, and a yearly subscription for $14.99. These plans unlock full access to all features and programs.
No, BreatheDeep is ad-free. The application does not contain advertisements, ensuring a focused and uninterrupted training experience for users.
BreatheDeep tracks progress through detailed statistics on training history, including breath-hold times and CO₂ tolerance improvements. A calendar view allows users to review completed sessions and schedule future ones.
BreatheDeep provides safety guidance for all experience levels. It is designed to help users train smarter and stay consistent while pushing their physical limits safely.
BreatheDeep is currently available on iPhone. The app supports iOS devices, allowing users to train their breath on the go.
The latest version of BreatheDeep is 1.6.1, last updated on October 8, 2025. This indicates regular updates to improve functionality and user experience.
BreatheDeep has received overwhelmingly positive user feedback, indicated by its perfect 5.0-star rating from 2 reviews. Users appreciate its effectiveness and clean interface.