This page is not an official page of the app or its developer, but an independent editorial publication created for informational and commentary purposes. Unless expressly stated otherwise, neither the app nor its developer is affiliated with, endorsed by, sponsored by, authorized by, or otherwise officially connected with MWM, Apple, Google Play, the app publisher, or the app's developer, and nothing on this page implies that the app was developed using MWM's services. Any trademarks, logos, screenshots, and other content remain the property of their respective owners.

Neptune: Navigation Rules

Name: Neptune: Navigation Rules
Availability: InStock
Rating: 5 (1 reviews)

Replace heavy textbooks with an AI-powered study system built for the professional mariner. Master the COLREGS through interactive 3D training, verbatim memory drills, and the official USCG question bank—fully functional offline and underway.

Key Figures

Downloads

User Rating

5.0/5

Total Ratings

Publisher

Brice Brown

Professional Mastery for the Modern Mariner

From the USCG exam room to the bridge wing, Neptune replaces outdated textbooks with a high-performance study suite designed for the high stakes of life at sea.

3D Lights & Shapes Simulator

Visualize vessel configurations from any aspect. Our interactive 3D engine builds the spatial awareness needed for night watches and OOD qualifications.

AI-Driven Legal Insights

Chat with an AI tutor trained on COLREGS and 500+ maritime court cases. Get clear explanations that turn abstract rules into actionable bridge decisions.

The following screenshots and description are sourced directly from the app's official store listing and are the property of the app developer.

App Store

Screenshots

Neptune: Navigation Rules - Neptune Navigation app home screen showing study progress and USCG COLREGS exam prep options — Neptune Navigation app home screen showing study progress and USCG COLREGS exam prep options

Neptune: Navigation Rules - Neptune Navigation Rules app showing the Neptune AI feature providing a detailed explanation of a maritime collision rule — Neptune Navigation Rules app showing the Neptune AI feature providing a detailed explanation of a maritime collision rule

Neptune: Navigation Rules - Neptune app screen showing a 3D vessel lights and shapes quiz for maritime navigation rule training — Neptune app screen showing a 3D vessel lights and shapes quiz for maritime navigation rule training

Neptune: Navigation Rules - Interface of the Neptune Navigation Rules app showing a maritime quiz question about vessel lights with spaced repetition options — Interface of the Neptune Navigation Rules app showing a maritime quiz question about vessel lights with spaced repetition options

Neptune: Navigation Rules - Screenshot of the Neptune app showing the integrated maritime navigation rulebook with custom highlights and study notes. — Screenshot of the Neptune app showing the integrated maritime navigation rulebook with custom highlights and study notes.

Neptune: Navigation Rules - Mobile screen showing the verbatim memory trainer for maritime navigation rules in the Neptune app — Mobile screen showing the verbatim memory trainer for maritime navigation rules in the Neptune app

Neptune: Navigation Rules - Neptune app achievements dashboard showing progress milestones and leaderboards for maritime study — Neptune app achievements dashboard showing progress milestones and leaderboards for maritime study

Neptune: Navigation Rules - Interface of Neptune Navigation Rules app showing a 3D model of a pilot vessel with navigation lights for maritime training — Interface of Neptune Navigation Rules app showing a 3D model of a pilot vessel with navigation lights for maritime training

Neptune: Navigation Rules - Practice setup screen in the Neptune Navigation Rules app showing options to customize exams with presets, question counts, and rule filters. — Practice setup screen in the Neptune Navigation Rules app showing options to customize exams with presets, question counts, and rule filters.

Neptune: Navigation Rules - Progress dashboard in the Neptune app showing maritime rule study accuracy and statistics. — Progress dashboard in the Neptune app showing maritime rule study accuracy and statistics.

Description

PASS YOUR USCG COLREG & OOD EXAMS WITH CONFIDENCE Neptune: Navigation Rules is the only modern study system that combines the official USCG Question Bank with an AI Tutor, interactive 3D Visual Training, and verbatim cards. Whether you are an Ensign preparing for OOD Phase 1 or a Captain refreshing for a renewal, Neptune replaces heavy textbooks with a smart, pocket-sized coach. NEW: VERBATIm MEMORY TRAINER Level up recall: hide key phrases and type them back to prove you know the rule, not just the letter. Adaptive drills: auto-submit when blanks are filled, with instant feedback and retries to lock in weak spots. Inline citations: jump straight from a missed phrase to the exact rule text. 3D LIGHTS & SHAPES TRAINER Stop memorizing static flashcards. Interactive 3D Models: Rotate vessels to see lights and shapes from any angle. Quiz Mode: Answer questions based on target angle, vessel ID, cardinal direction, and rules of the road. AI-POWERED REFERENCE Don't just memorize the answer—understand the Why. Ask Neptune: Chat with an AI trained specifically on COLREGS and over 500 maritime court cases. Instant Explanations: Get plain-English breakdowns for every question with citations to the rules and cases. Legal Context: Using the court cases see how rules are adjudicated in the real world. COMPLETE USCG QUESTION BANK & BOOK Official Pool: Full access to Inland and International questions. Smart Citation: Every question is linked directly to the specific Rule it tests. Custom Tags: Add your own notes, highlights and rule references. INTELLIGENT TEST MODES Exam Simulator: Mimic the real test by creating presets with precise filters for question number, specific words to be omitted, and rules. Or enable the Smart algorithm to dish you out trouble questions. Study Mode: Filter by "Least Confident" to drill the questions you get wrong. Daily Challenges: Keep your streak alive with quick, timed quizzes to build a daily study habit. ADVANCED PROGRESS TRACKING Confidence Scores: Visualize your mastery of every Rule based on SM-2 Algorithm. Heat Maps: Instantly see if you are weak on "Steering & Sailing" or "Sound Signals." Detailed History: Review past attempts to track your improvement over time. THE MODERN STANDARD Offline Ready: Study in the SCIF or underway—no internet required. Dark Mode: Fully optimized for night watch study sessions. Cloud Sync: Start on your iPhone, finish on your iPad.