Instrument for Apple Watch Ultra.
One app. Three modes. Built exclusively for the Apple Watch Ultra series to leverage its high-precision depth and water sensors.
What DiveOne is
- A recreational depth and time logging instrument.
- An offline-first logger for scuba, freedive, and snorkel.
- A private journal that stays on your devices.
- A focused tool designed for visible clarity underwater.
What DiveOne is NOT
- A life-support decompression computer.
- A substitute for certified dive training.
- A data-tracking platform that sells your activity.
Built for every way you dive.
Scuba tracking.
The core recreational dive tracking experience for Apple Watch Ultra. Focused on depth, time, and visible status.
Breath-hold tracking.
A focused freedive experience that prioritizes surface intervals, heart rate, and clear depth history.
Surface tracking.
For casual sessions where you want to remember where you were, how warm the water was, and what you saw.
Why DiveOne
Offline-first
Log your sessions even without cellular or Wi-Fi. Sync when you surface.
Privacy-centric
No accounts. No servers. Your data belongs to you.
Apple Health
Seamlessly sync your heart rate and activity to the Health app.
Ultra optimized
Designed specifically for the larger, brighter display of the Ultra.
Reserve your place before launch.
Early access starts with your account and progress updates. The personal cabinet is live.