Master maritime collision regulations with interactive flashcards. Learn about vessel lights, shapes, and sounds to improve navigation skills, especially in low visibility. Track your progress and gain confidence at sea.
4.8(123 ratings)
$3.99
Best Master alternatives: apps like Master-Nav
8+ similar apps compared and reviewed
4.4 avg rating
5 free apps
Updated October 2026
Whether you want more options like Master or a completely different take on the same concept, our curated list of 8+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.
Top Alternatives to Master
0.0(0 ratings)
$3.99
This marine app provides essential quick reference knowledge for seafarers to identify vessels and their activities according to ColRegs. It features over 100 graphics and an interactive quiz to test understanding of navigation lights and day shapes.
4.4😞(215 ratings)
FreeAdsIn-App Purchases
This app provides comprehensive guidance on maritime navigation rules and signals. It offers detailed information on flags, lights, sounds, and buoyage systems, along with interactive quizzes and a map feature. Designed for sailors, it ensures safe navigation on any vessel.
What We Love
- 👍 Great app for learning
- 👍 Useful study aid
- 👍 Very helpful for mariners
- 👍 Good information provided
- 👍 Easy to use
- 👍 Smooth to use
- 👍 Great value for money (free version)
- 👍 Brilliant to have at sea
- 👍 Essential tool for students
- 👍 Good reference material
- 👍 Convenient and easy to use
- 👍 Handy for quick reference
- 👍 Solid training aid
- 👍 Useful for ROR
- 👍 Good for beginners
- 👍 Free version is good
- 👍 Covers COLREGS and Morse code
Room to Improve
- 👎 Swamped with ads
- 👎 Broken app functionality
- 👎 Subscription model is a money grab
- 👎 Lifetime pro withdrawn
- 👎 Scam for changing to subscription
- 👎 Pro purchase gone
- 👎 Bad business model
- 👎 Limited content for price
- 👎 Full app is not cheap
- 👎 Too many requests to review
- 👎 Paid features are annoying
- 👎 Expensive full edition
- 👎 Lite version is limited
- 👎 Nagging pop-ups for full app
- 👎 Lights not helpful in top-down view
- 👎 Full version too expensive
- 👎 Portrait view not ideal
- 👎 Needs updating
- 👎 Missing iPhone X screen area
- 👎 Lost back navigation
- 👎 Crashing issues
