Best Master alternatives: apps like Master-Nav: COLREGS IALA Tests

10+ similar apps compared and reviewed

4.2 avg rating

10 free apps

Updated October 2026

Master-Nav: COLREGS IALA Tests

Peterjohn Chisholm

📚 Education

🗺️ Navigation

Whether you want more options like Master or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to Master

Sailor's Deck: COLREGS by Vladimir Arefev

Nav Lights & Day Shapes Cards

Editor's Choice

📚 Education

5.0(1 ratings)

FreeIn-App Purchases

Master navigation lights and day shapes for skipper exams with this flashcard app. It uses spaced repetition to build lasting visual memory, tracks your progress, and resurfaces difficult configurations until they stick. Study offline with no ads or subscriptions.

HMS ColRegCards by Will Downing

Master IRPCS

Strong Contender

📚 Education

1.0(1 ratings)

FreeAdsIn-App Purchases

Maritime Master - Radar by MARITIME MASTER LIMITED

Radar & ARPA Simulator

Worth Considering

📚 Education

4.7(3 ratings)

FreeIn-App Purchases

This simulator helps maritime students and enthusiasts practice radar navigation and collision avoidance. It offers realistic radar physics, ARPA functionality, and various display modes to enhance learning in a safe, controlled environment.

More apps like Master

Maritime Master - Skipper

A Skipper's Best Friend

Free

Learn seamanship and small-craft navigation with interactive diagrams and calculators. Practice plotting positions, understanding tides, and mastering navigation techniques. Includes a reference library for essential maritime knowledge.

Interactive diagrams and calculatorsDead reckoning and estimated position plottingTidal height and stream visualization

Your Maritime Companion

Free

Master maritime navigation and safety with an interactive 3D learning experience. Covers COLREGs, flags, ropework, navigation, meteorology, and more through engaging lessons and quizzes.

Interactive 3D ropework and knot tyingCOLREGs reference and quizzesFlag and phonetic alphabet learning

OOW Reference & Exam Simulator

Neptune: Navigation Rules

USCG Exam & COLREGS Prep

Free

Prepare for USCG COLREG and OOD exams with a comprehensive study system. Features AI tutoring, interactive 3D visuals for lights and shapes, and a complete question bank with intelligent test modes and progress tracking.

AI-powered tutor for rule explanationsInteractive 3D lights and shapes trainerOfficial USCG question bank

by MTECH COMMERCE AND BUSINESS SOLUTIONS PRIVATE LIMITED

Free

This application offers comprehensive marine education resources, including structured study materials and video lectures from experienced professors. It aims to provide accessible, quality learning for marine students worldwide, saving them time and energy.

Online study materialsVideo lecturesStructured curriculum

The Leading #1 Maritime App

Free

This app provides essential maritime information for seafarers and shore-based professionals. It serves as an offline reference for ship stability, navigation, regulations, and marine engineering, aiding in safer seas and cleaner waters.

COLREG regulationsGMDSS informationMarine engineering details