Learn
Local-first dive recording and logbook for depth-capable Apple Watch models. Native recording is limited to 6 m in DiveOne 1.0.1.
DiveOne vs. Traditional Dive Computer
DiveOne and a dive computer serve different roles. One is safety equipment. The other is a logging companion. Here's the honest breakdown.
Recording Without Signal: What It Means for Divers
DiveOne records dives offline and syncs to iPhone after surfacing. Here is what works without signal during and after a dive.
Why Apple Watch Ultra Only
DiveOne requires an Apple Watch with depth-sensor capability. Series 10 and later support shallow depth, while Ultra hardware has a 40 m sensor range.
Ocean Code
A calm diver code: leave no trace, protect reefs, respect marine life, maintain neutral buoyancy, stay within limits. Practical checklists.
Guides
Expert diving guides covering destinations, dive sites, courses, and dive centers. Practical information for beginner to advanced divers.