Best apps like Rule Master

7+ similar apps compared and reviewed

4.0 avg rating
4 free apps
Updated September 2026

Looking for something like Rule Master? We've analyzed 7+ 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.

Top Alternatives to Rule Master

4.9(26 ratings)
$29.99
EZ Celestial Navigation screenshot 1
EZ Celestial Navigation screenshot 2
EZ Celestial Navigation screenshot 3
EZ Celestial Navigation screenshot 4
EZ Celestial Navigation screenshot 5
EZ Celestial Navigation screenshot 6

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.

More apps like Rule Master

4
Celestial Nav
Celestial Nav
Celestial Nav
Modern Celestial Navigation
Free

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.

Celestial navigational computationsOffline perpetual almanacQuick celestial observation data capture
🗺️ Navigation
(10)
free with in-app purchases
5
Coastal Explorer
Coastal Explorer
Coastal Explorer
Cruise planning and navigation
Free

Plan and log your cruises with detailed nautical charts and weather forecasts. Enhance your experience with a subscription for offline access, real-time navigation, and integration with marine electronics.

View NOAA and USACE nautical chartsCreate routes and waypointsCloud synchronization
🗺️ Navigation
(16)
free with in-app purchases
6
Nautical Charts & Maps
Nautical Charts & Maps
Nautical Charts & Maps
Nautical Charts & Marine Maps
$8.99

Access NOAA Electronic Navigational Charts (ENC) for offline marine navigation. View detailed information like buoys, depths, and port features. Overlay NOAA weather maps including radar, sea temperature, and wind data.

NOAA Electronic Navigational Charts (ENC)Offline chart downloadsDetailed chart information
🗺️ Navigation
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7
AyeTides
AyeTides
AyeTides
by Hahn Software LLC
$7.99

Access tide and current data for over 13,400 global locations without an internet connection. Plan your coastal activities with detailed daily events, interactive graphs, and station search options.

Offline tide and current data13,400+ global locationsInteractive tide graphs
🗺️ Navigation
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free