Free Apnea Trainer description

Most popular app for freedivers and spearfishermen/hunters on Google Play. This apnea trainer will help you increase your results in freediving and breath holding. Includes CO2 and O2 static tables from start. You can connect your heart rate monitors by bluetooth. Also have videos and other useful information about freedive and apnea. Approved for professional free diving.
Increase your breath hold fantasticaly!