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
Savvy Navvy Boating Navigation
Savvy Navvy Boating Navigation
★4.2
AIS Flytomap GPS Chart Plotter
AIS Flytomap GPS Chart Plotter
★4.4
Marine Ways
Marine Ways
★4.6
OpenCPN
OpenCPN
★3.4
Wavve Boating: Marine Boat GPS
Wavve Boating: Marine Boat GPS
★4.5
Aqua Map Boating
Aqua Map Boating
★3.3
mKart Marine Navigation
mKart Marine Navigation
★3.4
Weather - Routing - Navigation
Weather - Routing - Navigation
★4.6
C-MAP Boating
C-MAP Boating
★3.8
Pro Weather Routing Navigation
Pro Weather Routing Navigation
★4.8
Argo - #1 Boat Navigation App
Argo - #1 Boat Navigation App
★3.5
Simrad: Companion for Boaters
Simrad: Companion for Boaters
★3.9
SailDroid
SailDroid
★4.6
Orca: Boat GPS, Charts, Routes
Orca: Boat GPS, Charts, Routes
★3.9
Memory-Map
Memory-Map
★3.9