The app provides outdoor navigation with satellite, road, and hybrid maps. An in-app subscription unlocks USGS 24k Topo charts, navigational features, and frequent upgrades for outdoor pursuits.
by Red Sky Engineering, LLC★ 5.01 ratingsNavigationFreeData updated 2026-10-01
Create passage plans by selecting waypoints from a database. Calculate true course and distance. Automatically determine magnetic variation and derive magnetic heading.
Displays real-time tidal stream data for the , referencing the nearest Dover high water time. Shows valid hourly streams charts and time periods. Allows users to measure tide set and interpolated rates.