Apps like Imray Navigator

Here are some great alternatives to Imray Navigator by Imray, Laurie, Norie and Wilson Ltd :
i-Boating:Marine Navigation
i-Boating:Marine Navigation
★4.2
Marine Ways - Nautical Charts
Marine Ways - Nautical Charts
★4.5
Savvy Navvy: Boating & Fishing
Savvy Navvy: Boating & Fishing
★4.0
AIS Flytomap GPS Chart Plotter
AIS Flytomap GPS Chart Plotter
★4.4
Wavve Boating: Marine Boat GPS
Wavve Boating: Marine Boat GPS
★4.5
OpenCPN
OpenCPN
★3.4
Aqua Map Boating
Aqua Map Boating
★3.3
WinGPS™ Marine
WinGPS™ Marine
★3.3
mKart Marine Navigation
mKart Marine Navigation
★3.4
C-MAP Boating
C-MAP Boating
★3.9
Weather - Routing - Navigation
Weather - Routing - Navigation
★4.5
Pro Weather Routing Navigation
Pro Weather Routing Navigation
★4.8
NV Charts GPS Navigation AIS
NV Charts GPS Navigation AIS
★3.3
Simrad: Companion for Boaters
Simrad: Companion for Boaters
★4.0
Orca: Boat GPS, Charts, Routes
Orca: Boat GPS, Charts, Routes
★3.8
Argo - Boating Navigation
Argo - Boating Navigation
★3.2