Explore seafloor topography using NOAA's high-resolution bathymetry data. View underwater features like reefs, ledges, and channels. Access maps offline without a subscription.
by Jorma Rodieck★ 5.05 ratingsNavigation$9.99Data updated 2026-10-20
Monitor boat anchor status with . Set alerts if anchor is improperly secured and boat is dragging. Calculate swinging radius manually or automatically. View map with anchor location and swinging circle. Receive notifications when anchor is loose.
Record experiences with log entries, notes, and photos. Track dives, log details like depth and time, and note encountered marine life. Create and share dive logs and visual records of underwater activities.