- Navionics and Navionics+ are a great duo – best on test.
- iNavX is good enough to replace on on-deck chartplotter.
- MaxSea TimeZero is brilliant if you want to use raster charts.
- Transas iSailor does everything, but it all costs extra.
- SeaNav UK & Ireland offers a unique ‘augmented reality’ view using Internet AIS.
- Garmin BlueChart Mobile good for planning, but only shares with Garmin hardware.
- iBoating is surprisingly versatile, but was the least expensive on test – and it showed.