Nautical Rules
Master the Rules of the Road
Free
Now with 1,270+ questions! Practice by Rule for targeted study. Track your weakest areas and focus your preparation where it matters most.
Nautical Rules is the ultimate study companion for mastering the USCG Navigation Rules (COLREGS). Whether you're preparing for your captain's license exam or refreshing your maritime knowledge, this app provides everything you need to succeed.
COMPREHENSIVE QUESTION BANK
- Over 1,200 practice questions covering all Navigation Rules
- Questions for both Inland and International waters
- Covers Steering & Sailing Rules, Lights & Shapes, Sound Signals, and more
- Detailed explanations
SMART STUDY FEATURES
- Take customizable tests with 10, 25, 50, or 100 questions
- Practice mode with immediate feedback and explanations
- Focus Area suggestions to target your weakest rules
- Bookmark questions for later review
- Review your mistakes to reinforce learning
TRACK YOUR PROGRESS
- Activity dashboard with test history and statistics
- See your accuracy by rule (Rule 1, Rule 2, etc.)
- Track your study streak and mastery level
- View detailed results for each completed test
DESIGNED FOR MARINERS
- Clean, intuitive interface optimized for study sessions
- No internet connection required - study anywhere
- All questions based on official USCG Navigation Rules
- Perfect for captains, SWO, sailors, and maritime professionals
Whether you're studying for the USCG license exam, improving your seamanship skills, or just want to stay sharp on the water, Nautical Rules gives you the tools to succeed.
Download now and navigate with confidence!
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Note: This app is an educational study aid and is not affiliated with or endorsed by the U.S. Coast Guard. For official rules and regulations, consult the official USCG Navigation Rules publications.
- Improved test history review experience
- Minor performance optimizations
The developer, Joseph Kim, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Joseph Kim
- Size
- 5.2 MB
- Category
- Navigation
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2025 Joseph Kim