Best Neptune alternatives: apps like Neptune: Navigation Rules

8+ similar apps compared and reviewed

4.7 avg rating
7 free apps
Updated November 2026

Looking for something like Neptune? We've analyzed 8+ 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 Neptune

CBDR#1

CBDR by Sean Bowman

Radar & Rules of the Road
Editor's Choice
πŸ“š Education
5.0(5 ratings)
Free
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This app trains junior deck officers and watchstanders in essential radar watch skills, including contact evaluation, COLREGS classification, and generating contact reports. It features a live radar scope, generated scenarios for various navigation situations, and drills for recognition and maneuvering.

SeaSmart: Rules of the Road#2

SeaSmart: Rules of the Road by Nicholas Co

COLREGS & Navigation Exam Prep
Strong Contender
πŸ“š Education
5.0(5 ratings)
Free
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Master maritime navigation rules with exam-style drills and custom quizzes. This app provides a comprehensive reference to COLREGS, helping users confidently recall regulations for exams and safe boating. Track progress and focus on weak areas for effective learning.

More apps like Neptune

4
Ladybug ABC
Ladybug ABC
Ladybug ABC
Fun ABC for ages 2–6
$0.99

This app offers a playful and parent-friendly way for children aged 2-6 to learn the alphabet. Through intuitive drag-and-drop games with satisfying feedback, kids build confidence and develop early literacy skills in a fun, engaging environment.

Alphabet learning for ages 2-6Intuitive drag-and-drop interfaceSupports 6 languages
πŸ“š Education
(1)
paid
5
USCG Prep: Coast Guard Exam
USCG Prep: Coast Guard Exam
USCG Prep: Coast Guard Exam
Captain License, COLREGS Test
Free

This AI-powered study app prepares users for US Coast Guard license exams. It offers an AI tutor, adaptive learning, and realistic exam simulations to help users pass faster. All content is available offline and syncs across Apple devices.

AI Chat TutorAI explanations for every answerAdaptive spaced repetition
πŸ“š Education
(3)
subscription
6
Coast Guard Exams
Coast Guard Exams
Coast Guard Exams
USCG License Prep & Practice
Free

Prepare for USCG mariner exams with over 31,500 questions and 57 endorsement modules. Features include exam and study modes, AI explanations, and progress tracking. Start for free with daily limits or unlock unlimited access with a one-time purchase.

31,500+ questions57 endorsement modulesExam Mode with scoring
πŸ“š Education
(5)
free with in-app purchases
7
English ANKI cards: LexiMory
English ANKI cards: LexiMory
English ANKI cards: LexiMory
Spaced repetition VOCA app
Free
πŸ“š Education
(0)
8
Nautical Flags Helper
Nautical Flags Helper
Nautical Flags Helper
Learn Nautical Flags and more
Free

Master maritime communication with interactive flashcards and quizzes covering nautical signal flags, semaphore, and Morse code. Learn essential navigation and safety signals based on the International Code of Signals.

International Code of SignalsNautical signal flagsSemaphore signals
πŸ“š Education
(1)
ad-supported