A simple but effective breathhold training application for freedivers. - No Advertisements - Create an unlimited number of custom tables by choosing table size freely and setting all durations individually - Use auto-generated tables for CO2 Tolerance and O2 Deprivation - Test your breath hold duration and have a history of your attempts. - Uses advanced notifcations with vibration and/or speech during tables Upcoming versions will support more features such as: - Track your heart rate while doing tables - Run app in background - More options to build custom tables