NTX Apnea
NTX Apnea Summary
NTX Apnea is a mobile Android app in Health And Fitness by Mariusz Kociubinski. Released in Jul 2021 (4 years ago). It has about 8.3K+ installs and 154 ratings with a 4.92★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 110 monthly active users . Store metadata: updated Dec 24, 2025.
Recent activity: 18 installs this week (127 over 4 weeks) showing steady growth , and 1.00 new ratings this week View trends →
Store info: Last updated on Google Play on Dec 24, 2025 .
4.92★
Ratings: 154
Screenshots
App Description
NoTanx Freediving, CO2 and Breathold Training
NTX Apnea is a complete freediving training system for improving breathold, awareness and relaxation. Exercises target different aspects of training (e.g. dive reflex, breathold under stress, CO2 tolerance, self awareness, etc.) and support a wide range of difficulty making it an ideal tool for apneists of any experience level. Exercises are richly supported with detailed instructions along with expert audio and video guidance.
NTX Apnea implements the training philosophy and learning principles developed by Marcus Greatwood, founder of the NoTanx Freediving organization and trainer of thousands of recreational freedivers and world record holders.
SUPPORT:
Email: kociubin+ntxapnea@gmail.com with questions, suggestions or bug reports.
EXERCISES:
-Guided Breathe-up
-Halfway Holds
-Lazy Tables
-Spanish Steps
-Crazy Tables
-Zany Walks
-Oxy Walks
FEATURES:
-Wide variety of exercises (e.g. easy, medium, pro, indoor/outdoor)
-Customization and personalization of parameters/settings
-In app exercise history
-Exercise suggestions
-Automatic increasing of difficulty based on performance improvements
-Built in pre-exercise warmup/breathe-up
-Audio guidance
-Detailed instructions and videos