Sailing Reference vs Master-Nav Usage & Stats

Sailing Reference is the comprehensive reference guide for all of your nautical navigation needs. Ideal for beginner and seasoned sailors, the app contains information crucial to passing the various RYA Yachtmaster shorebased navigation and practical courses. All content is fully available offline so is not reliant upon a data connection at all. There are handy calculators for quickly estimating a course to steer, interpolating tidal stream data, calculating times and heights of tide at secondary ports, and estimating VHF radio transmission ranges. The in-depth reference section includes dozens of illustrated and detailed how-to guides covering: • Plotting a Course to Steer • Calculating Leeway • Calculating Set and Drift • Compass Deviation and Magnetic Variation • Estimated Positions • Interpolating Tidal Streams • Calculating Depth to Anchor • Bridge Clearances • Secondary Port Calculations • Buoyage and Beacons • Safety and Distress • VHF Radio • Weather and Shipping Forecasts • and Many More! For those who need to brush up on their knowledge of the COLREGs / IRPCS, load up the flashcards for a quick quiz. Included with the app are a set of “Rules of the Road” flashcards covering numerous collision scenarios. Additional flashcards covering vessel lights, day shapes, flags and sound signals are available to purchase in-app as a single add-on pack. For the racing community there's a handy race timer with a 5,4,1,0 countdown and lap timer. Also available are instructional animations illustrating how to tie a number of the most common nautical knots. Each knot is accompanied by a brief description outlining suitable applications. The Bowline Knot is included with the main application, with other knots available to purchase in-app as a bundled add-on.

Apple App Store
Paid
Reference

Store Rank

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Master-Nav

Master-Nav makes learning COLREGS easy with its comprehensive learning system that leverages the natural learning mechanisms of the brain. Our goal is to simplify your preparation for maritime qualifications and maximize your success. Instead of diving into dense rule books, our application uses interactive visuals, memory aids, and exam answer phrases for an engaging and intuitive learning experience. Start with the Learning Section to understand the rules step by step, then move to the Practice Section to reinforce your knowledge and improve your performance. Master-Nav covers COLREGS Part A to Part D (Rules 1-37) and the distress signals found in Annex IV thoroughly. With over 1000 questions in various formats, each supported by clear graphic answers highlighting errors, Master-Nav reinforces your knowledge through repeated practice, making rule retention effortless. Our app-wide Rule button simplifies navigating the COLREGS Rule book. A single click gives you quick access to the relevant COLREG rule for the question at hand, saving valuable study time. To make complex rules with technical terminology more understandable, we provide explanations in simple language. We understand that maritime regulations can be dense, especially for newcomers to the field. Whether you're a cadet starting your maritime career or an experienced mariner refreshing your understanding of the COLREGS, Master-Nav is the ideal learning tool. Experience the convenience, effectiveness, and painless rule memorization our app provides.