Fathom: Freedive

What it does

Fathom is a freediving companion for iPhone. It brings CO₂ and O₂ training tables, guided breathwork, and a detailed dive log into one app - built around how freedivers actually train. Log sessions across eight disciplines, track personal bests, set per-discipline goals, and sync everything to iCloud automatically.

Fathom: Freedive is a freediving training app for iPhone. Structured CO₂ & O₂ tables, guided breathwork, a full dive log, and personal bests — all in one place.

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