Another example of a handheld i-device charting and navigation program, iNavX brings free, official and up-to-date NOAA RNC raster marine charts of U.S. waters to your iPhone, iPod touch and iPad. Included detailed chart coverage: West Coast, Gulf Coast, East Coast, Great Lakes, Alaska, Hawaii, and US Virgin Islands.
The iNavX app can be used across all your devices with access to thousands of charts and maps: official CHS Canada charts, Navionics Gold charts, Fish'N'Chip charts, HotMaps, NV. Verlag charts, Hilton's Fishing charts, TRAK Canada lakes fishing maps and Solteknik European waters charts may be purchased separately from X-Traverse.
With iNavX you can use the built-in location services (i.e. GPS, cell tower, WiFi) to plot your position in real-time on the multi-touch scrolling and zooming and rotating (including course up) marine chart.
iNavX is available from the iTunes and Mac app store for $49.95.