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Breath hold training timer for freedivers
Training app that helps you increase your breath hold time.
Simple and intuitive design allows you to focus on your training.
Based on the CO2 and O2 apnea tables used by freedivers all around the world.
CO2 table helps your body develop a carbon dioxide tolerance.
O2 table trains your body to cope with low oxygen levels.
- Adjustable tables
- Audio instructions
- Lock screen notification support
- No ads
Last updated on Aug 17, 2017
all new look
new icon
can't scroll between tables when training is running to avoid confusion
improved horizontal layout
bug fixes
O2 Unlimited
1.2.0 by Martin Benes
Aug 17, 2017