Pontus: Static Apnea Trainer

Pontus is a training timer for dry static apnea — the breath-hold table training freedivers do on land, on a mat, away from water. One personal best test is all the setup there is. Pontus builds your CO2 and O2 tables from that number — every hold and every rest rounded to whole five seconds, the way you would write them on paper. Then it runs the session for you, out loud, so you can close your eyes and keep them closed. MEASURED, NOT GUESSED • A personal best test with a relaxation countdown you can end early • Tables generated from your own number, not from a stranger's • Regenerate them whenever a new best lands TWO STANDARD TABLES • CO2 table — the hold stays the same, the rest gets shorter each round • O2 table — the rest stays the same, the hold grows round by round • Or build your own table, round by round, with the hold and rest you want A PLAN, IF YOU WANT ONE • Four-week and…