Motor boaters, sailors, and cruisers who want to ride the cuttingâedge crest of navigation with mobile devices can now take advantage of NV charts App, a new, simpleâtoâuse free app now available from NV charts, a global leader in highly accurate, detailed maritime chart products. The new NV charts App is free and makes it a simple matter to download NV chartsâ superior chart regions to iPads, iPhones and all iOS platforms as well as Android operating devices. For years, NV charts has offered paper charts, as well as digital versions for download onto a laptop or notebook PC for navigation.