This app provides essential maritime information for seafarers and shore-based professionals. It serves as an offline reference for ship stability, navigation, regulations, and marine engineering, aiding in safer seas and cleaner waters.






104+ iOS apps & games curated and reviewed
If you already know Seabook Maritime, this is the deeper bench. 104+ colreg apps and games for iPhone, all reviewed and ranked by user rating, recency, and download trend as of June 2026.






This app provides essential maritime information for seafarers and shore-based professionals. It serves as an offline reference for ship stability, navigation, regulations, and marine engineering, aiding in safer seas and cleaner waters.





Learn and practice sailing navigation rules with interactive 3D simulations. This app offers a didactic and fun approach to mastering collision avoidance and safe navigation on the water.






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 maritime regulations and codes, including collision prevention, international signals, life-saving appliances, and safety at sea conventions. It also features weather forecast reading and maritime dictionaries.


Master maritime collision regulations with interactive flashcards. Learn about vessel lights, shapes, and sounds to improve navigation skills, especially in low visibility. Track your progress and gain confidence at sea.


Prepare for your Uzbekistan driver's license exam with this app. It offers offline access to study materials, AI-powered personalized learning, and interactive 3D simulations for traffic rules. Practice with mock exams and compete with others.


Learn sailing basics, right-of-way rules, and signals. Practice maneuvers and prepare for tests with interactive lessons and challenges based on international regulations. Offers a subscription for full content access.


Master maritime navigation with this comprehensive guide to the International Regulations for Preventing Collisions at Sea. Learn about ship lights, day shapes, sound signals, and access the full COLREGs for safe sailing.


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.


This app offers a vast library of customizable shortcut instructions to automate daily tasks and optimize workflows. It also functions as a powerful API client and debugging tool, supporting HTTP/HTTPS requests and curl command imports for efficient testing and monitoring.


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 your training requirements and competence status, view fleet information, and manage your training schedule. The app allows for offline data access and notifies assessors when you are ready for evaluation.


Learn maritime navigation rules with an interactive system designed for effective retention. This app breaks down complex regulations into manageable sections with visual aids and mnemonics. It revisits incorrect answers and provides instant graphical feedback, making the learning process intuitive and efficient.


Prepare for maritime certification exams with this simulator. It familiarizes you with test formats, assesses your knowledge gaps, and offers randomized questions to ensure comprehensive preparation. Covers all STCW sections for various vessel types and roles.




Prepare for U.S. Coast Guard and FCC license exams with a comprehensive study platform. Access thousands of questions, track your progress, and take practice exams offline. Sync your learning across app and web versions.




Track vessels live worldwide using AIS data. View ship positions, movements, and voyage history with detailed vessel information and enhanced weather monitoring. Unlock advanced features for deeper visibility and extended coverage with a Pro plan.


Learn to tie a wide variety of essential knots with this comprehensive guide. It offers detailed instructions and visual aids for over 200 different knots, suitable for various practical applications.