Best apps like Colregs: lights and shapes HD

31+ similar apps compared and reviewed

4.0 avg rating
8 free apps
Updated July 2026

Looking for something like Colregs? We've analyzed 31+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

ParcSync: Parking, EV & GPS

ParcSync: Parking, EV & GPS by parcsync

Shared Spots, Earn & Navigate
🗺️ Navigation
5.0(12 ratings)
FreeIn-App Purchases
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Top Alternatives to Colregs

Sailing Master M#1

Sailing Master M by Pekka Leppanen

Sailing information
Editor's Choice
🗺️ Navigation
5.0(1 ratings)
FreeIn-App Purchases
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This app provides comprehensive sailing data and performance optimization on various Apple devices. It displays over 35 sailing measurements from boat instruments, polars tables, and nautical charts, offering detailed wind, route, and map views. Connectivity is established through NMEA 0183 Wi-Fi gateways.

NAUTICAL CHART SYMBOLS & ABBREVIATIONS#2

NAUTICAL CHART SYMBOLS & ABBREVIATIONS by The Other Hat

Essential reference
Strong Contender
🗺️ Navigation
3.5(2 ratings)
$1.99
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This app provides a comprehensive reference for nautical chart symbols and abbreviations, including international standards and supplementary national symbols. It's designed for learning, revision, and quick lookups with a searchable index and offline access.

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4
PosidoniaMaps
PosidoniaMaps
PosidoniaMaps
Posidonia High Resolution Maps
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This app provides high-resolution underwater maps to help boaters navigate and find safe mooring spots, even in poor visibility. It aims to protect vital Posidonia oceanic meadows by making them visible and encouraging responsible anchoring.

High-resolution underwater mapsSafe mooring guidanceLow visibility navigation
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Nautical Calculator Preview
Nautical Calculator Preview
Nautical Calculator Preview
Nautical Calculator Preview
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This app provides comprehensive tools for marine navigation, including real-time ship movement, route planning, and advanced sailing calculations. It also offers features for collision avoidance, maneuvering, and learning maritime regulations and signaling.

Real-time ship movementRoute planningMercator and Great Circle sailing
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EZ Celestial Navigation
EZ Celestial Navigation
EZ Celestial Navigation
ezAlmanacOne
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This app simplifies celestial navigation using a sextant, providing tools to calculate your position at sea. It offers automated calculations or manual table access, with features for observation archiving and compass checks. Ideal for learning and practicing traditional navigation methods.

Automated sight reduction and LOP plottingManual Nautical Almanac and Pub. 229 table accessObservation archiving and restoration
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(19)
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Celestial Navigator
Celestial Navigator
Celestial Navigator
by Omar reis
Free

This app assists with celestial navigation training by providing a perpetual almanac, star finder chart with animation, and tools for calculating lines of position and meridian passages. It can utilize device sensors for real-time chart positioning, though a marine sextant is still required for actual navigation.

Perpetual almanacAnimated star finder chartLine of position calculation
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Boat-Tracker
Boat-Tracker
Boat-Tracker
Nautical charts
Free

Access free nautical charts for Finnish waters, featuring live vessel tracking. Connect with agent software to display your boat's routes on the map. Utilizes official navigational data for accuracy.

Free nautical chartsFinnish waters coverageLive vessel tracking
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DONIA
DONIA
DONIA
Navigate, Anchor and Protect
Free

This app provides detailed seabed visualization and marine information for safe and respectful sea navigation. It allows users to book mooring buoys, share observations, and monitor their vessels. Access premium features like high-definition charts for enhanced planning and exploration.

Seabed visualizationMarine information accessMooring buoy booking
🗺️ Navigation
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Wärtsilä SmartLog
Wärtsilä SmartLog
Wärtsilä SmartLog
Fleet Operations Solution
Free
🗺️ Navigation
(0)