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Nautical Rules

Nautical Rules

Master the Rules of the Road

4 ratings
9 reviews
📚 Education
🗺️ Navigation
Free

Details

  • Released
  • Updated
  • December 8, 2025
  • January 20, 2026

Developer

Joseph Kim
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About

Master USCG Navigation Rules with a comprehensive question bank and smart study features. Track your progress, practice for exams, and study offline to navigate with confidence.

✓1,200+ practice questions
✓Inland and International waters coverage
✓Detailed explanations
✓Customizable tests
✓Offline study capability
✓Progress tracking dashboard
✓Accuracy by rule statistics
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What's New in Nautical Rules

2.2

January 20, 2026

- Improved test history review experience - Minor performance optimizations

User reviews

Most RecentHighest RatedLowest Rated

Best Sea Nav rules all on the AppStore!

Amazing app for any mariner! Question direct align with coast guard navigation books and is really helpful in not only passing tests but actually being a good mariner! My whole crew is required to use this app, it’s that good!
ekl456ekl456

Best RoR resource

As an instructor of Rules of the road I find the app extremely accurate and easy to use. I recommend this app to all my students.
SwobossSwoboss

The best study tool for the USCG exam!

As a maritime professional, staying sharp on COLREGS is essential. This app is a major step up from the older, clunky apps that haven't been updated in years. The 'Focus Area' suggestions are a game-changer—it tracks my stats and tells me exactly which rules I need to review based on my previous mistakes. The explanations are clear and the progress tracking keeps me motivated. Highly recommended for any SWO or merchant mariner.
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Ginseng6Ginseng6

Great app

Super clear design compared to the other apps - love how it breaks down so you can do questions per each rule
Dan000009Dan000009

Must have app for any mariner!

The best Rules of the Road app I’ve seen to date! It’s much better than any of the current, slightly outdated and not-so-user-friendly apps out there. It has your typical 50 question practice tests, as well as each individual section broken down, so you can practice on just the sections you need!
Ian J 1110Ian J 1110
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FAQ

What is Nautical Rules?

Nautical Rules is an educational study aid designed to help users master the USCG Navigation Rules (COLREGS). It offers a comprehensive question bank, smart study features, and progress tracking to prepare users for exams and improve their maritime knowledge.

Is Nautical Rules free to use?

Yes, Nautical Rules is completely free to download and use. There are no in-app purchases or advertisements, allowing for an uninterrupted study experience.

Does Nautical Rules require an internet connection?

No, Nautical Rules does not require an internet connection. You can study anywhere, anytime, making it convenient for learning on the go without relying on Wi-Fi or cellular data.

What kind of questions are included in Nautical Rules?

The app features over 1,200 practice questions covering all USCG Navigation Rules for both Inland and International waters. Topics include Steering & Sailing Rules, Lights & Shapes, and Sound Signals, each with detailed explanations.

How does Nautical Rules help track progress?

Nautical Rules provides an activity dashboard with test history and statistics. Users can see their accuracy by rule, track their study streak, and view detailed results for each completed test to monitor their learning.

What devices is Nautical Rules available on?

Nautical Rules is available on iPhone and iPad devices, optimized for study sessions with a clean and intuitive interface.

How often is Nautical Rules updated?

The latest version of Nautical Rules is 2.2, which was last updated on January 20, 2026. Updates typically aim to refine the study experience and ensure accuracy of the content.

Is Nautical Rules suitable for beginners?

Yes, Nautical Rules is an excellent tool for anyone looking to master navigation rules, from those preparing for their captain's license exam to individuals wanting to refresh their maritime knowledge. Its comprehensive nature and detailed explanations cater to various learning needs.