Neptune: Navigation Rules

Developer: Brice Brown

Category: Education

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650 installs

13 ratings

63 monthly active users

Revenue not available

Install Trends

Monthly +51

Steady

Neptune: Navigation Rules Summary

Neptune: Navigation Rules is a mobile iOS app in Education by Brice Brown. Released in Jan 2026 (3 months ago). It has 13 ratings with a 5.00★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 63 monthly active users . Store metadata: updated Mar 19, 2026.

Store info: Last updated on App Store on Mar 19, 2026 .

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App Details

Store ID: 6756641315

First Released: 2026-01-20

Store Last Updated: 2026-03-19

In-App Purchases: No

Ads: No

App Store

Crawl Status: Success

AppGoblin First Crawled: 2026-01-23

AppGoblin Last Crawled: 2026-04-16

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5★

Ratings: 13

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Screenshots

App 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 require