MX Mariner is a basic mobile marine navigator / chart plotter featuring quilted offline raster marine charts.
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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”.
Offline raster marine charts
Online satellite and road maps
ActiveCaptain interactive cruising guidebook https://activecaptain.com/
Waypoints – create, edit, navigate
Tracks – record, edit
Routes – create, edit, navigate
GPX import / export
Configurable units of measure and the World Magnetic Model
Please see https://mxmariner.com/manual for details.