Apnea Trainer is a free Android application in the Lifestyle category created by Ljubo Dabovic. This app is designed to help users train their bodies to deal with high CO2 or low O2 levels by using training tables that consist of a series of dives that push tolerances and condition the body.

The app provides users with the option to set their own CO2 or O2 tables or use default ones. Additionally, users can create their own personalized tables to suit their specific needs. The interface is user-friendly and easy to navigate, making it easy to use for both beginners and experienced users.

Overall, Apnea Trainer is a great tool for those looking to improve their breath-holding abilities and condition their bodies for diving or other water sports. Download it now and start preparing for your next adventure!