Apps like COLREG 72: safety at sea

Here are some great alternatives to COLREG 72: safety at sea by Happy Jigsaw :
Simple Colregs - ROR
Simple Colregs - ROR
★4.6
Master-Nav: Colregs
Master-Nav: Colregs
★4.4
Primo Nautic: Vessel Tracking
Primo Nautic: Vessel Tracking
★4.6
Seabook
Seabook
★4.3
Collision Regulations
Collision Regulations
★4.8
Vessel Lights
Vessel Lights
★4.4
Savvy Navvy: Boating & Fishing
Savvy Navvy: Boating & Fishing
★4.1
Marine Ways - Nautical Charts
Marine Ways - Nautical Charts
★4.6
Ship Tracker:Marine Navigation
Ship Tracker:Marine Navigation
★3.4
Nautical Charts — OsmAnd
Nautical Charts — OsmAnd
★3.6
The Navigator
The Navigator
★4.5
Ship Simulator 2025
Ship Simulator 2025
★3.5
AIS Flytomap GPS Chart Plotter
AIS Flytomap GPS Chart Plotter
★4.4
Yapp Sailing Course
Yapp Sailing Course
★4.2
i-Boating:Marine Navigation
i-Boating:Marine Navigation
★4.2
Marine Safety Signs & Symbols
Marine Safety Signs & Symbols
★4.3