Marinus: maritime rules app icon

Apps Like Marinus: maritime rules for iPhone and iPad

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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.

by Alejandro Martinez de Carvajal★ 4.4214 ratingsEducationFreeData updated 2026-09-08

Marinus: maritime rules screenshots

Ranked alternatives

Showing 21–40 of 1,000 ranked alternatives.

  1. Savvy Navvy: Boat Navigation app icon

    Savvy Navvy: Boat Navigation

    SAVVY NAVVY LTD

    Track routes, view charts, and monitor weather

    View real-time GPS location and track movement. Access marine charts, weather forecasts, and tide information. Plan routes with smart routing features. Set and monitor alerts. Share coordinates and waypoints.

    ★ 4.78,234 ratingsNavigationFreeData updated 2026-09-28
  2. TZ iBoat – Marine Navigation app icon

    TZ iBoat – Marine Navigation

    Nobeltec, Inc.

    Navigate with real-time GPS and tidal data

    Navigate using GPS, AIS Online, and radar. View charts for coastal boating, sailing, and fishing. Track tides and currents. Set anchoring points. Sync with Apple Health. Share routes and waypoints.

    ★ 4.6875 ratingsNavigationFreeData updated 2026-09-13
  1. PredictWind — Marine Forecasts app icon

    PredictWind — Marine Forecasts

    PredictWind Limited

    Track wind, waves, and currents

    View high-resolution weather maps for wind, gust, CAPE, wave, rain, and cloud conditions. Access real-time from ECMWF, AIFS, ICON, UKMO, GFS, and proprietary models. Track wind speed, wave height, and current directions.

    ★ 4.832,910 ratingsWeatherFreeData updated 2026-11-10
  2. Master-Nav app icon

    Master-Nav

    Peterjohn Chisholm

    Learn COLREGS rules and pass exams

    Learn COLREGS rules through interactive visuals and memory aids. Practice exam answers with customizable quizzes. Track progress with built-in assessments and review tools.

    ★ 4.8100 ratingsEducation$1.99Data updated 2026-11-07
  3. Boat Games for Kids & Toddlers app icon

    Boat Games for Kids & Toddlers

    Amaya Soft MChJ

    Sail, explore, and conquer seas

    Choose from various sea vessels like a pirate ship, steamboat, or submarine to explore the ocean. Navigate through different scenes, customize your vessel, and complete missions. Unlock new ships and upgrades as you progress.

    ★ 4.61,675 ratingsGamesFreeData updated 2026-09-20
  4. COLREG app icon

    COLREG

    Oleksandr Kuzmychov

    ★ 0.00 ratingsNavigation$0.99Data updated 2026-11-10
  5. Top Sailor app icon

    Top Sailor

    Szymon Ulatowski

    Play, sail, and race boats

    Learn sailing basics through realistic boat simulation. Adjust sails based on wind force and navigate races against AI opponents. Practice tacking, gybing, and downwind/upwind techniques. Monitor stability to prevent capsizing.

    ★ 3.935 ratingsGames$3.99Data updated 2026-09-08
  6. Nautical Charts & Maps app icon

    Nautical Charts & Maps

    LW Brands, LLC

    Download and view weather

    View and download NOAA electronic navigational for offline use. Access in NOAA or ECDIS formats. Overlay NOAA weather for real-time conditions. Display buoys, beacons, lights, and natural/man-made features. Track radar and fog signals.

    ★ 4.63,793 ratingsNavigation$8.99Data updated 2026-11-04
  7. Aqua Map Boating app icon

    Aqua Map Boating

    GEC s.r.l.

    Download charts, navigate offline, connect instruments

    Navigate using weekly updated nautical charts from NOAA. Plan routes manually or automatically. Record GPS tracks and store navigation data including markers and routes. Share data with others. Display tides and currents.

    ★ 4.713,647 ratingsNavigationFreeData updated 2026-09-09
  8. Seabook Maritime app icon

    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.

    ★ 4.519 ratingsEducationFreeData updated 2026-09-08
  9. AnchorQueen Jules app icon

    AnchorQueen Jules

    Barkin Takmaz

    Monitor anchor position in real time

    Monitor boat position and anchor status in real time. Receive alerts if the anchor drags or moves unexpectedly. Track vessel location and set custom alarm thresholds. View historical data and manage settings for multiple vessels.

    ★ 4.5164 ratingsNavigationFreeData updated 2026-09-12
  10. i-Boating: Marine Charts & Gps app icon

    i-Boating: Marine Charts & Gps

    Bist LLC

    Navigate with and river

    Access for the USA, Canada, UK/Ireland, Germany, Netherlands, and European rivers. View NOAA vector , freshwater lake maps, and USACE inland river maps with bathymetry data. Create or import GPX/KML routes. Use voice prompts for route navigation.

    ★ 4.514,838 ratingsNavigationFreeData updated 2026-09-09

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.