Best apps like Colregs: lights and shapes

24+ similar apps compared and reviewed

3.8 avg rating
9 free apps
Updated July 2026

Looking for something like Colregs? We've analyzed 24+ 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

Rule Master#1

Rule Master by Universal Queue LLC

Rules of the Road Toolbox
Editor's Choice
🗺️ Navigation
4.8(267 ratings)
$9.99Ads
#23in Navigation
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Master maritime navigation rules with this comprehensive quiz app. It offers extensive question banks, custom filters, and detailed progress tracking for both new and experienced sailors. Generate custom exams and access a digital handbook for efficient learning and exam preparation.

Tides Planner#2

Tides Planner by FB Imray Laurie Norie & Wilson GmbH

Strong Contender
🗺️ Navigation
3.8😞(16 ratings)
FreeIn-App Purchases
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Access worldwide tidal information for over 8,000 locations without an internet connection. Features include tidal graphs, weekly tables, sunrise/sunset times, and moon phases. Advanced tools help calculate optimal time windows for various water activities.

What We Love

  • 🚀 Accurate tide data
  • 💡 Detailed tidal information
  • 👍 Useful for sailing/fishing
  • 🚢 Great for commercial/recreational boating

Room to Improve

  • 🐛 Frequent crashes and bugs
  • 🚫 Unreliable map/location features
  • 💸 Expensive annual subscription
SEAiq Pilot#3

SEAiq Pilot by Sakhalin

#1 App for Pro Marine Pilots
Worth Considering
🗺️ Navigation
4.9😊(423 ratings)
FreeIn-App Purchases
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This navigation app provides advanced charting and real-time vessel data for professional marine pilots. It supports various chart formats and external NMEA/AIS devices, offering features like predicted vessel display and docking aids. A free trial is available, with an in-app purchase for permanent access.

What We Love

  • 👍 User-friendly and intuitive
  • 🚀 Fast and efficient performance
  • 🌟 Comprehensive functionalities
  • 💡 Innovative features

Room to Improve

  • 📉 Increasing cost
  • ❓ Chart loading can be tedious
  • ⚠️ Waypoints can be accidentally deleted

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4
Celestial Navigator
Celestial Navigator
Celestial Navigator
by Omar reis
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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.

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Celestial Nav
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Celestial Nav
Modern Celestial Navigation
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This app provides tools for celestial navigation, offering computations for celestial bodies and sight reductions. It includes an offline perpetual almanac and allows for quick capture of observation data for accurate course adjustments.

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SEAiq
SEAiq
SEAiq
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This marine navigation app offers comprehensive charting capabilities, allowing users to load various standard chart formats and download NOAA charts. It includes essential navigation tools like waypoints, routes, and an anchor alarm, along with weather overlays and NMEA/AIS integration.

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Navily
Navily
Navily
Der innovativste Küstenführer
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This app serves as a comprehensive mobile cruising guide for boaters. It offers a vast database of marinas and anchorages, user-generated reviews and photos, and seamless berth booking across Europe. Connect with other users and marinas through in-app chat and receive real-time warnings.

35,000+ marinas and anchorages350,000+ community photos and commentsEasy berth booking in 700+ European marinas
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B&G: Companion App for Sailors
B&G: Companion App for Sailors
B&G: Companion App for Sailors
Great sailing charts
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This app provides sailors with advanced navigation tools, including detailed charts, route planning, weather forecasts, and marine traffic information. It can be used standalone or synced with compatible onboard electronics for a comprehensive on-water experience.

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Imray Navigator
Imray Navigator
Imray Navigator
by FB Imray Laurie Norie & Wilson GmbH
Free

This marine chart plotter provides nautical charts for various sea activities. Plan passages, create routes, and share tracks. Offers GPS, tides, and AIS integration for comprehensive navigation.

Nautical charts from Imray and other publishersPassage planning and route creationShare tracks and waypoints
🗺️ Navigation
(7)
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iAIS
iAIS
iAIS
by Digital Yacht Ltd
Free

Visualize AIS targets relative to your device's position, displaying detailed information about each target. Overlay AIS data on Navionics charts and share your boat's live position with others. This app is intended for basic navigation reference only.

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(19)
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