MX Mariner is a basic mobile marine navigator / chart plotter featuring quilted offline raster marine charts. Offline raster marine charts are are available for the US, New Zealand, Brazil, and UK.
US, New Zealand and Brazil chart regions are free to download and update.
UK chart regions are available for the United Kingdom, Ireland and Channel Islands as in-app purchases. Each UK chart region in-app purchase gives you 1 year of free chart updates. UK chart regions in MX Mariner are "derived in part from material obtained from the UK Hydrographic Office".
Features:Offline raster marine chartsOnline satellite and road mapsGPS NavigationActiveCaptain interactive cruising guidebook https://activecaptain.com/Waypoints - create, edit, navigateTracks - record, editRoutes - create, edit, navigateGPX import / exportConfigurable units of measure and the World Magnetic Model
Please see https://mxmariner.com/#/manual for details.