Neptune: Navigation Rules

THE COMPLETE NAVIGATION RULES STUDY SYSTEM
Whether you're preparing for your USCG Rules of the Road exam or maintaining proficiency as an experienced mariner, Neptune delivers everything you need to master COLREGS with confidence.
AI-POWERED Guide
Ask Neptune: Chat with an intelligent assistant trained specifically on the USCG Navigation Rules.
Instant Explanations: Tap "Explain Solution" on any question to get a detailed, plain-English breakdown of why an answer is correct.
Context-Aware Help: The AI understands the specific rules and scenarios you are studying, providing targeted clarification for complex legal text.
COMPREHENSIVE QUESTION BANK
USCG Navigation Rules question pool
Questions for both Inland and International waters
Each question linked to specific rule citations
User-customizable citations - add your own rule references
INTELLIGENT STUDY MODES
Study Mode
- Browse questions by rule with instant feedback
- Track reviewed vs. unreviewed questions per rule
- Visual progress bars showing rule coverage
- Flag difficult questions for later review
Test Mode
- Configurable question counts (10, 25, 50, 72, custom)
- Filter by category: Inland Only, International Only, or Both
- Filter by word, such as excluding all western river questions
- Optional timer with customizable duration
- Immediate or end-of-test feedback options
- Detailed score breakdowns and review
- Save testing presets for easy reuse
Daily Challenge
- Fresh daily questions to maintain consistency
- Timed challenges with performance tracking
- Perfect score tracking and streaks
ADVANCED PROGRESS TRACKING
Easily see your strongest and weakest rules with "Confidence Scores" per question based on test performance
Rule proficiency statistics showing mastery by rule
Coverage tracking - see exactly which rules need attention
Visual confidence indicators (Low/Medium/High)
Detailed attempt history for every question
GAMIFICATION & MOTIVATION
Streak tracking - maintain daily study habits
Achievement system - unlock milestones as you progress
Daily activity logging - visualize your study consistency
Weekly and monthly progress summaries
COMPLETE RULE REFERENCE
Full Navigation Rules handbook with in-text supported highlighting
Rules organized by number with clear categorization
Interactive diagrams with zoom and pan
Direct links from questions to relevant rules
Searchable rule content and questions
Upload your own notes and comments for each rule
POWERFUL SEARCH
Search across questions AND rules simultaneously
Find questions by keyword, rule number, or content
Quick navigation to any rule or question
CLOUD SYNC (Optional)
Secure account creation with Apple Sign-In
Sync progress across all your devices
Never lose your study progress
Works offline - syncs when connected
USER-FRIENDLY & ACCESSIBLE
Dark Mode: Fully optimized dark theme for comfortable night study sessions.
Haptic Feedback: Tactile responses for enhanced interaction.
Question Flagging: Bookmark tricky scenarios for focused review.
Share Capabilities: Export questions as images for study groups or get opinions from senior mariners.
Citation Management: View, add, or remove rule citations to match your exam focus.