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IALA Buoyage & Lights vs Master-Nav Usage & Stats

Buoys & Lights will help improve and expand your overall boating skills and aid your safety on the water. “The graphics are excellent and I think this will be really useful while out at sea or at home for revision purposes.” “The graphics are clear and well done, and the info is great to carry with me. Works perfectly.” **** Downloaded & used by thousands of seafarers in the USA, Great Britain, Australia, France, Canada, New Zealand & over 50 other countries **** This boating, sailing and marine app provides all skippers, sailors, boaters and fishermen with the essential quick reference knowledge they need to quickly recognise and interpret the buoys and the light markers and improve your overall boating skills and safety on the water, as specified by the International Association of Lighthouse Authorities (IALA) Systems A & B. Whether out on the water or on shore, in daylight, darkness or poor visibility, simply open the app and search the buoys, beacons, markers and lights in seconds to find the appropriate rule and definition. - No internet connection required. - Simple, easy to use navigation for quick reference. - Every IALA buoyage marker available at the touch of a finger. - Expertly drawn illustrations accompanied by clear, concise descriptions If you are responsible for a vessel at sea, no matter how small or large, you must be able to recognise different types of navigation marks, day or night, and know what they mean. This Buoys & Lights app will help improve your overall boating skills and safety on the water. Buoys & Lights is designed to help all recreational and professional seafarers learn and understand the world buoyage systems which are organised by the International Association of Lighthouse Authorities (IALA). There are two systems in use, IALA A and IALA B and they are both explained fully in this app. There are 4 main sections in this boating safety app: 1. Buoyage: A graphic reference guide with 70 illustrations and captions which explain the different types of buoy, their uses, appearance, permutations and light characteristics. 2. Lights: A graphic reference guide with 12 illustrations and captions which explain the different types of light and their characteristics, used by beacons and lighthouses. 3. IALA Rules: The International Association of Lighthouse Authorities (IALA) rules are reproduced in full. 4. Test Yourself: A series of multiple choice questions with 35 graphic representations of buoys and lights helps you check your knowledge. We've worked hard to uphold the highest standards of accuracy in this app and want you to enjoy this app in several ways: - As an easy reference and revision tool - As a powerful visual aide-memoire - As an accurate source of safety information tested by marine experts - As a way to constantly improve your knowledge and recall via the 'test yourself" section - As a tool to assist you on sailing and boating courses FEEDBACK & ENDORSEMENT FROM THE INTERNATIONAL BOATING COMMUNITY that we've had is perhaps the best indicator of the value of our apps: "I was so impressed with your Nav Lights app that I bought it and downloaded it immediately." "I really like the ColRegs part of it and the way you have kept it completely in line with the IRPCS." OTHER APPS IN THIS SERIES: - ColRegs: Lights and Shapes provides in depth covers ColRegs Rules 20 to 31 - ColRegs: The Rules of the Road covers the "Steering and Sailing Rules" and "Sound and Light Signals" sections of the IRPCS In use around the world!
  • Apple App Store
  • Paid
  • Reference

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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.
  • Apple App Store
  • Paid
  • Education

Store Rank

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IALA Buoyage & Lights vs. Master-Nav ranking comparison

Compare IALA Buoyage & Lights ranking trend in the past 28 days vs. Master-Nav

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IALA Buoyage & Lights vs. Master-Nav ranking by country comparison

Compare IALA Buoyage & Lights ranking trend in the past 28 days vs. Master-Nav

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IALA Buoyage & Lights VS.
Master-Nav

January 14, 2026