Deepline: Apnea & Freedive

Vitaly Vivchar · Health & Fitness

Free

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Chart standing · US

Not currently charting in this storefront.

What changed · US

Listing changes AppTracker has observed for this app in this storefront — new versions, price moves, rating shifts, and store copy.

Oct 13, 2026
New version 1.1.0 → 2.0.0

Deepline 2.0 has a new look: thin lines, one typeface, big numbers and less on every screen. - Progress is a thin ring, and a square for box breathing - Mark a contraction by tapping anywhere on the screen - The logbook records distance for DYN and DNF - A short explanation before the breath-hold test - Deleting and ending a session ask first - The voice no longer catches up on skipped phases - A new icon, and a quiet note when an update is out

Aug 31, 2026
New version 1.0.0 → 1.1.0

In-app purchases · US

No in-app purchases.

Screenshots

About

Find your breath. Deepline pairs a calm apnea trainer — CO2 and O2 tables plus box breathing — with a beautiful freediving logbook. Fully offline. The numbers are the heroes, and the water goes still when you hold. Deepline is for freedivers, spearfishers and snorkelers — and for anyone who wants a quieter way to train their breath. Train your breath hold - CO2 and O2 apnea tables, auto-built from your personal max - Box breathing for daily calm and pre-dive focus - A still, high-contrast timer made for wet hands and bright sun - The water stays motionless during every hold — nothing to distract you Log every dive - Depth, breath-hold time, discipline and conditions - A GPS pin for every spot - Your full freediving logbook, kept on your device See your progress - Watch your breath-hold time grow, session after session - Personal records, kept simple Calm by design - A signature living-water interface, not another stopwatch - No clutter, no noise, no emoji - Works fully offline — no account, no sign-up, your data stays yours How it works 1. Measure your baseline breath hold 2. Train with CO2 / O2 tables and box breathing 3. Log your dives and watch your progress deepen Free to use. Your breath, your data, your line to the deep.

What's new · 2.0.0

Deepline 2.0 has a new look: thin lines, one typeface, big numbers and less on every screen. - Progress is a thin ring, and a square for box breathing - Mark a contraction by tapping anywhere on the screen - The logbook records distance for DYN and DNF - A short explanation before the breath-hold test - Deleting and ending a session ask first - The voice no longer catches up on skipped phases - A new icon, and a quiet note when an update is out

Details

ReleasedJun 2026
UpdatedJun 2026
Version2.0.0
Size36.5 MB
RequiresiOS 13.0 or later
Age rating4+
LanguagesEnglish
PriceFree
Categories Health & FitnessSports
Bundle IDcom.deepline.app