In the app
Breath-hold tracking.
A focused freedive experience that prioritizes surface intervals, heart rate, and clear depth history.
What it does today
Surface intervals
Automatic timer that starts the moment you surface.
Heart rate
With your permission, heart rate from Apple Watch is saved with the dive when available.
Depth to 6 m
Shallow depth from the watch sensor, up to 6 m. There are no target depth or time alerts.
Session summary
Max depth, duration, and water temperature after the session.
Current limitations
No blackout detection. Always dive with a qualified buddy.
Depth gauge requires submersion. Accuracy may vary near the surface.
Follow all freediving safety protocols and training limits.
DiveOne 1.0.2 is available.
Download the current App Store release and check the status page for verified limits.