Prepare for USCG COLREG and OOD exams with a comprehensive study system. Features AI tutoring, interactive 3D visuals for lights and shapes, and a complete question bank with intelligent test modes and progress tracking.






166+ iOS apps curated and reviewed
With an average user rating of 4.5★, the navigation rules category is one of the App Store's strongest. Browse all 166+ apps we track, sorted so the most loved ones surface first.






Prepare for USCG COLREG and OOD exams with a comprehensive study system. Features AI tutoring, interactive 3D visuals for lights and shapes, and a complete question bank with intelligent test modes and progress tracking.





Master nautical navigation rules with practice exams and a comprehensive rule book. Focus your learning by customizing tests based on question type, rule, and filter. Track your progress and review answers with detailed explanations.





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.


This app provides comprehensive boating regulations and reference materials, including international and inland navigation rules, sound and light signals, and communication information. It features quick references, calculators, and unit conversions for boaters.


Access the complete International Regulations for Preventing Collisions at Sea (COLREGs) and Inland Navigation Rules. This app provides a searchable, annotated version of boating regulations, ideal for quick reference and sharing information.


Prepare for U.S. Coast Guard DECK & ENGINE exams with this comprehensive study tool. Access an updated question bank, official diagrams, and real-time scoring. Advanced features like custom tests and AI tutoring are available via upgrade.


Prepare for your USCG OUPV examination with this comprehensive learning program. It offers over 1,300 practice questions, instant feedback, and detailed explanations to help you master the Nautical Inland and International Rules of the Road.


Master maritime navigation rules with this comprehensive quiz app. It offers extensive question banks, custom filters, and detailed progress tracking for both new and experienced sailors. Generate custom exams and access a digital handbook for efficient learning and exam preparation.


This app provides comprehensive guidance on maritime navigation rules and signals. It offers detailed information on flags, lights, sounds, and buoyage systems, along with interactive quizzes and a map feature. Designed for sailors, it ensures safe navigation on any vessel.


This app provides comprehensive navigation and planning tools for boaters, offering features like chart plotting, route planning, and weather forecasts. It aims to be user-friendly for all skill levels, from beginners to experienced cruisers, with a focus on safety and connectivity on the water.


Navigate roads safely and efficiently with voice-guided offline maps. Optimized routing for cars, trucks, and RVs helps you avoid restrictions, save time, and find points of interest. Enjoy a free trial before subscribing.


Monitor your speed and track journeys across various activities like driving, cycling, or boating. Features include customizable speed alerts, dash cam recording, parking assistance, and driving performance analysis. Integrates with smartwatches for convenient control and monitoring.


Navigate marine environments with detailed nautical charts and route planning. Track your location, find friends on the water, and share your trip details for safety. Offline chart access ensures reliable navigation even without an internet connection.


Navigate any terrain with offline GPS maps, even without cell service. Explore a vast Map Store for hiking, biking, and travel, or import your own custom maps. Record tracks, add notes, and identify your location precisely.


This app helps you navigate and find your way back, even without an internet connection. Easily bookmark locations like your parked car or hiking trails, and receive precise directional guidance to return. Sync your saved spots across devices for seamless access.


Navigate to any destination with turn-by-turn directions and voice guidance. Discover nearby points of interest like gas stations and restaurants. Save your search history for easy access to previously visited locations.


This app connects your mobile device to compatible Garmin chartplotters, enabling wireless chart and map transfers, software updates, and route planning. It also provides access to a community of boaters for reviews and information on marinas and points of interest.


This reference app provides mariners and waterfront enthusiasts with quick access to the International Code of Signals. It includes images and usage descriptions for all international code flags, essential for safe navigation and understanding ship communications.


Navigate large vehicles with intelligent routing tailored to your truck, RV, or bus specifications. Enjoy offline 3D maps, real-time traffic, and speed camera warnings for a safe and efficient journey. Access truck-specific points of interest and detailed vehicle settings.


This app provides comprehensive Inland Navigation Rules for U.S. inland waters and the Great Lakes. It features over 100 custom illustrations and captions for easy learning, along with bonus emergency procedures for boaters.