Showing 1–20 of 1,000 ranked alternatives.
Stanislav Cekunov
Learn maritime and track your progress
Learn maritime with interactive quizzes and detailed flag information. Test knowledge with randomized questions. View Morse code signals using the phone’s flashlight. Track progress and identify areas for improvement through analytics.
Oleksiy Koldunov
Explore data and fleet information
Search vessels by name or IMO number. Access detailed information on commercial fleets worldwide. View specifications, ownership, and operational data. Stay updated on maritime industry trends and vessel movements.
Alejandro Martinez de Carvajal
Search navigation instantly anywhere
COLREGs offers flag identification, weather scales, cloud recognition, sound signal guidance, and vessel light details. Users can access navigation , interpret flags, and understand sound and light signals for safe boating.
Merriam-Webster, Inc.
Look up words and definitions offline
Access definitions and synonyms offline. Use voice search to look up words. Learn a new word daily with Word of the Day. Play word games for vocabulary practice.
Oleksii Fisai
Access maritime info and tools
Access maritime training materials and tools for career advancement. View guidelines on safe seamanship practices. Track progress in distance learning courses. Share resources with colleagues.
Merriam-Webster, Inc.
Look up words and definitions
Look up words with voice search. Access definitions, synonyms, and examples offline. Includes over 15,000 additional entries. No ads. Syncs with Apple Watch for quick reference.
MobiSystems, Inc.
Look up words and definitions
Access multiple dictionaries for English, French, German, Spanish, Russian, Chinese, Italian, Hindi, Urdu, Portuguese, Japanese, Greek, Bulgarian, and Thai. Look up word definitions, synonyms, antonyms, and example sentences.
Ozgur GUNES
Explore ship stability and navigation
Access ship stability guidelines, navigation rules, COLREG regulations, and marine engineering data offline. View GMDSS procedures, safety protocols, and environmental practices. Search for standards and reference materials anytime without internet.
Bravolol Limited
Look up words and translate instantly
Look up word definitions, synonyms, and pronunciations. Access bilingual dictionaries including English-Chinese, Japanese, Korean, Spanish, French, German, Italian, Russian, Portuguese, and Dutch. Translate words and save favorites.
Svitlana Kyrylova
Access standards offline anytime
Access standards offline for compliance. View for general industry and construction. Search for specific standards. Download and save content for use without internet.
Smirnov Yury
Study COLREGs rules with flashcards
Learn COLREGs through flashcards organized by specific rules. Answer questions to reinforce knowledge. Automatically save progress and reset results as needed. Track learning progress over time.
Joseph Kim
Study navigation and practice exams
Study Navigation with over 1,200 practice questions covering Inland and International waters. Topics include Steering & Sailing , Lights & Shapes, and Sound Signals. Each question has detailed explanations.
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.