Best Marinus alternatives: apps like Marinus: maritime rules

9+ similar apps compared and reviewed

4.7 avg rating
7 free apps
Updated November 2026

Looking for something like Marinus? We've analyzed 9+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to Marinus

Seabook Maritime#1

Seabook Maritime by Ozgur GUNES

The Leading #1 Maritime App
Editor's Choice
πŸ“š Education
4.5(19 ratings)
Free
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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.

Maritime Academy: ICS Flags#2

Maritime Academy: ICS Flags by Xiang Dong

Learn Maritime Signal Flags
Strong Contender
πŸ“š Education
4.9(192 ratings)
FreeIn-App Purchases
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Learn maritime signal flags and the International Code of Signals through engaging levels and challenges. This app offers a structured approach to mastering flag meanings, abbreviations, and communication methods used at sea. It's designed for efficient memorization and progress, suitable for various maritime enthusiasts.

Master-Nav#3

Master-Nav by Peterjohn Chisholm

NAV RULES - the easy way!
Worth Considering
πŸ“š Education
4.8(100 ratings)
$1.99
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Learn maritime navigation rules with an interactive system designed for effective retention. This app breaks down complex regulations into manageable sections with visual aids and mnemonics. It revisits incorrect answers and provides instant graphical feedback, making the learning process intuitive and efficient.

More apps like Marinus

4
CES test answers 2026
CES test answers 2026
CES test answers 2026
Crew Evaluation System Testing
Free

Prepare for maritime certification exams with this simulator. It familiarizes you with test formats, assesses your knowledge gaps, and offers randomized questions to ensure comprehensive preparation. Covers all STCW sections for various vessel types and roles.

Exam preparation simulatorSTCW knowledge assessmentRandomized question generation
πŸ“š Education
(24)
free with in-app purchases
5
The Nautical School ExamTutor+
The Nautical School ExamTutor+
The Nautical School ExamTutor+
Learn Rules of the Road
Free

Prepare for your USCG OUPV examination with this comprehensive learning program. It offers over 1,300 practice questions, instant feedback, and detailed explanations to help you master the Nautical Inland and International Rules of the Road.

1300+ practice questionsInstant feedback and explanationsProgress tracking and scoring
πŸ“š Education
(25)
free with in-app purchases
6
COLREG 72: Rules of the Road
COLREG 72: Rules of the Road
COLREG 72: Rules of the Road
Navigation Lights & Exam Prep
$3.99

This app provides comprehensive study materials and practice exams for maritime collision avoidance rules. It covers both International (COLREGs) and US Inland Navigation Rules, with features like interactive quizzes, rule explanations, and timed practice tests. Ideal for preparing for maritime exams and understanding navigation regulations.

International and US Inland Rules side-by-sideInteractive navigation lights identification quizzesSound signal playback and recognition
πŸ“š Education
(123)
paid
7
Master-Nav: COLREGS IALA Tests
Master-Nav: COLREGS IALA Tests
Master-Nav: COLREGS IALA Tests
Practice Maritime Rules Daily
Free

Practice maritime navigation rules and buoyage systems with this app. It helps you identify knowledge gaps and track your progress in mastering essential regulations for mariners.

USCG Navigation Rules practiceIALA Maritime Buoyage System testsKnowledge gap identification
πŸ“š Education
(1)
free
8
Maritime Knowledge
Maritime Knowledge
Maritime Knowledge
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
πŸ“š Education
(0)
free
9
Nautical Flags Helper
Nautical Flags Helper
Nautical Flags Helper
Learn Nautical Flags and more
Free

Master nautical signal flags, Morse code, and semaphore with interactive flashcards and quizzes. Learn individual flag meanings, over 1,800 multiple-flag signals, and practice with progress tracking. Ideal for sailors, maritime students, and enthusiasts.

Learn 26 letter flags and phonetic namesStudy over 1,800 multiple-flag signalsMaster Morse code with audio playback
πŸ“š Education
(1)
free with in-app purchases