Madrona Software Apps

MX Mariner - Marine Charts
MX Mariner is a basic mobile marine navigator/ chart plotter featuring quilted offline raster marinecharts.Offline raster marine charts are are available for the US, NewZealand, Brazil, and UK.US, New Zealand and Brazil chart regions are free to download andupdate.UK chart regions are available for the United Kingdom, Ireland andChannel Islands as in-app purchases. Each UK chart region in-apppurchase gives you 1 year of free chart updates. UK chart regionsin MX Mariner are "derived in part from material obtained from theUK Hydrographic Office".Features:Offline raster marine chartsOnline satellite and road mapsGPS NavigationActiveCaptain interactive cruising guidebookhttps://activecaptain.com/Waypoints - create, edit, navigateTracks - record, editRoutes - create, edit, navigateGPX import / exportConfigurable units of measure and the World Magnetic ModelPlease see https://mxmariner.com/#/manual for details.
MX Tides 4.0
MX Tides is a harmonic tide clock and tide predictor