Apps Like Maritime Master - OOW for iPhone and iPad
Ranked alternatives
Showing 1–20 of 1,000 ranked alternatives.



Seabook Maritime
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.

Marinus: maritime rules
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.


Ship Info
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.



Speedmeter mph digital display
Unicom TOV
Track speed and distance offline
GPS speedometer displays real-time speed for driving, biking, or walking. Measure trip distance offline. Track altitude for planes. Switch between mph, km/h, and knots. Use Today Widget or Apple Watch. Adjust screen color and toggle mirror .

Deluxe Moon Pro • App & Widget
Sergey Vdovenko
Track phases and lunar events
Track lunar phases, moonrise and moonset times, and eclipse predictions. View detailed maps and surface features. Adjust settings for photography with exposure and focus guides. Access astronomical data and cultural lunar calendars.


NOAA Marine Weather & Forecast
Zipo Apps Ltd.
Track and conditions
Track real-time wind, wave, and conditions for maritime activities. View forecasts for sailing, fishing, surfing, and kiteboarding. Set alerts for changing conditions and receive safety updates for offshore travel.

Pipe Trades Pro Calc
Calculated Industries, Inc.
Try before you buy with free trial
Perform length calculations, determine fittings angles, and estimate material requirements. Access schedules, standards, and industry-specific data. Convert units and calculate pressure drops. Save and export calculation results.



COLREG 72: safety at sea
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.

Five Bells
Mark Gould
Ring to mark time and shifts
Track time with traditional or simplified bell sequences. Set hourly bell strikes or schedule quiet periods. Configure bell sounds and manage alerts for watch changes. Sync with other devices for consistent timing.

Flags! - Maritime signal flags
Ziga Porenta
Learn , test knowledge, create quizzes
Provides a comprehensive list of international , including letters, numbers, and substitutes. View detailed descriptions of each flag. Take custom quizzes to test knowledge. Includes flashlight morse code examples and a minimalist design.


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