Best Nautical Rules alternatives: apps like Nautical Rules

10+ similar apps compared and reviewed

4.0 avg rating
8 free apps
Updated November 2026

Nautical Rules is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to Nautical Rules

Rule Master#1

Rule Master by Universal Queue LLC

Rules of the Road Toolbox
4.8😐(297 ratings)
$9.99
#25in Navigation
Rule Master screenshot 1
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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.

What We Love

  • πŸ‘ User friendly and easy to navigate
  • πŸ“š Great information for studying and review
  • πŸ’― Helpful for exam preparation and confidence
  • ✨ Beautifully designed and functional app
  • βœ… Worth a download
  • πŸ’‘ Good questions for review and exam prep

Room to Improve

  • πŸ’° Free apps are just as good
  • πŸ› Questions disappear off the screen
  • 🀏 Diagrams are too small to see details
  • ❓ Incomplete questions with missing text
  • ⚠️ Some answers are not 100% accurate
  • ❌ Content and answers are sometimes wrong
  • πŸ€” Explanations for wrong answers not always clear
Celestial Nav#3

Celestial Nav by Skytip LLC

Modern Celestial Navigation
Worth Considering
πŸ—ΊοΈ Navigation
4.3(10 ratings)
FreeIn-App Purchases
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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.

More apps like Nautical Rules

4
Nautical Calculator Preview
Nautical Calculator Preview
Nautical Calculator Preview
Nautical Calculator Preview
Free

This app assists with critical marine navigation tasks, including real-time ship movement, route planning, and complex sailing calculations. It also provides tools for collision avoidance, maneuvering, and learning maritime regulations and signaling.

Real-Time Ship MovementRoute PlanningMercator & Great Circle Sailing
πŸ—ΊοΈ Navigation
(1)
ad-supported
5
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
πŸ—ΊοΈ Navigation
(5)
free
6
Hip Charts
Hip Charts
Hip Charts
NOAA ENC Charts
Free

Access NOAA nautical charts for free on your mobile devices. View charts online and download single areas for offline use. Additional features like multiple offline downloads and custom boundaries require a purchase.

Unlimited online NOAA chart viewingDownload single chart areas for offline useAutomatic chart loading
πŸ—ΊοΈ Navigation
(8)
free with in-app purchases
7
Navigation Almanac
Navigation Almanac
Navigation Almanac
Celestial navigation offline
Free

This app provides a comprehensive offline celestial navigation toolkit. It calculates celestial body positions, sunrise/set times, and sky charts. It also offers tools for compass error correction and position fixing, all without requiring an internet connection.

Offline celestial almanac dataSight reduction calculationsRise, set, and twilight times
πŸ—ΊοΈ Navigation
(3)
free
8
AyeTides
AyeTides
AyeTides
by Hahn Software LLC
$7.99

Access tide and current data for over 13,400 global locations, even offline. Plan your marine activities with interactive graphs, map searches, and location-based finding. Enjoy a professional, ad-free experience with regular updates.

Offline tide and current data13,400+ global locationsInteractive tide graphs
πŸ—ΊοΈ Navigation
(4.9K)
paid
9
SEAiq Pilot
SEAiq Pilot
SEAiq Pilot
#1 App for Pro Marine Pilots
Free

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.

S-57, S-63, iENC, BSB/KAP chart supportExternal NMEA/AIS over WiFiPredicted vessel display
πŸ—ΊοΈ Navigation
(453)
free with in-app purchases
10
ACR Product App
ACR Product App
ACR Product App
Configure your ACR Products
Free

Access Class B AIS and Emergency PLB/EPIRB data. View live AIS targets, check distress beacon details, and monitor battery status via NFC or WiFi. Configure your AIS with vessel information.

View live AIS targetsCheck PLB/EPIRB distress beacon detailsMonitor beacon operation time and battery condition via NFC
πŸ—ΊοΈ Navigation
(36)
free