Best apps like Master-Nav: COLREGS IALA Tests

10+ similar apps compared and reviewed

4.9 avg rating
10 free apps
Updated August 2026

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

Maritime Master - Radar#2

Maritime Master - Radar by MARITIME MASTER LIMITED

Radar & ARPA Simulator
Strong Contender
πŸ“š Education
4.7(3 ratings)
FreeIn-App Purchases
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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.

Neptune: Navigation Rules#3

Neptune: Navigation Rules by Brice Brown

USCG Exam & COLREGS Prep
Worth Considering
πŸ“š Education
5.0(13 ratings)
Free
Neptune: Navigation Rules screenshot 1
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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.

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4
Sailor's Deck: COLREGS
Sailor's Deck: COLREGS
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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.

Spaced repetition learningFour-layer progression of studyConfusion pair training
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Maritime Master
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Master maritime navigation and safety with an interactive 3D learning experience. Covers COLREGs, flags, ropework, navigation, meteorology, and more through engaging lessons and quizzes.

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Maritime Master - Skipper
Maritime Master - Skipper
Maritime Master - Skipper
A Skipper's Best Friend
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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
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Maritime Masters
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The OOW Bible
The OOW Bible
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Maritime Knowledge
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