This apnea trainer will help you increase your results in freediving and breath holding. Includes CO2 and O2 static tables from start. You can make your own table. Also have videos and other useful information about freediving and apnea. Approved for profesional free diving. Premium version with HxM monitoring http://tinyurl.com/ay4ourr . AIDA Ukraine logo is used in app with their permission.
Increase your breath hold fantasticaly!
PS. Unfortunately I lost signing key for this app, so it won't be updated anymore. (But premium version will)
PSS. Source code - https://github.com/insomnaicJustin/unaerobic