Best apps like Nautical Calculator

10+ similar apps compared and reviewed

4.6 avg rating
5 free apps
Updated July 2026
Nautical Calculator
Nautical Calculator
Aviation Mobile Apps, LLC.

Nautical Calculator 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.

ParcSync: Parking, EV & GPS

ParcSync: Parking, EV & GPS by parcsync

Shared Spots, Earn & Navigate
🗺️ Navigation
5.0(12 ratings)
FreeIn-App Purchases
ParcSync: Parking, EV & GPS screenshot 1
ParcSync: Parking, EV & GPS screenshot 2
ParcSync: Parking, EV & GPS screenshot 3
ParcSync: Parking, EV & GPS screenshot 4
ParcSync: Parking, EV & GPS screenshot 5
ParcSync: Parking, EV & GPS screenshot 6
Get More Info

Top Alternatives to Nautical Calculator

StarPilot#1

StarPilot by Starpath Corp

Editor's Choice
🗺️ Navigation
4.9(7 ratings)
$49.99
StarPilot screenshot 1
StarPilot screenshot 2
StarPilot screenshot 3
StarPilot screenshot 4
StarPilot screenshot 5

This app provides advanced celestial navigation computations for iPhone and iPod touch. It offers mathematical and graphic solutions for position fixes, great circle sailing, and more, including lunar distance methods and a sight planner for accurate results.

Sight Calc#2

Sight Calc by NUVOCOM INCORPORATED

Strong Contender
🗺️ Navigation
5.0(7 ratings)
$1.99
Sight Calc screenshot 1
Sight Calc screenshot 2
Sight Calc screenshot 3
Sight Calc screenshot 4

This app is a specialized calculator for sight reductions using the Law of Cosines method. It's designed for students learning celestial navigation and requires manual input of LHA, declination, and approximate latitude.

EZ Celestial Navigation#3

EZ Celestial Navigation by EZ Celestial LLC

ezAlmanacOne
Worth Considering
🗺️ Navigation
4.9(19 ratings)
$29.99
#42in Navigation
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 Nautical Calculator

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
(8)
free with in-app purchases
5
Nautical Calculator Preview
Nautical Calculator Preview
Nautical Calculator Preview
Nautical Calculator Preview
Free

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
🗺️ Navigation
(1)
ad-supported
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
(3.8K)
free
7
AyeTides
AyeTides
AyeTides
by August Hahn
$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
(4.9K)
free
8
qtVlm
qtVlm
qtVlm
Navigation and weather routing
Free

This navigation software is designed for sailing boats, offering a free version with basic GRIB viewing and an optional full version with advanced weather routing, chart modules, and communication features. It supports various chart formats and NMEA data sources, with a simulation mode for learning.

GRIB viewer with advanced functionsWeather routing and route modulesSupport for Raster, Vector, and MBTiles charts
🗺️ Navigation
(7)
free with in-app purchases
9
SEAiq USA
SEAiq USA
SEAiq USA
by Sakhalin
Free

Navigate US waterways with detailed NOAA and US Army Corps of Engineers charts. Features include waypoints, routes, tracks, weather overlays, and an anchor alarm. Offers a 7-day evaluation period before an in-app upgrade is required for full functionality.

NOAA and US Army Corps of Engineers chartsWaypoints, routes, and tracksNight color modes
🗺️ Navigation
(489)
free with in-app purchases
10
SEAiq
SEAiq
SEAiq
by Sakhalin
Free

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.

Load custom S-57, S-63, iENC, BSB, KAP chartsAutomatic NOAA chart downloadsWaypoints, routes, and tracks
🗺️ Navigation
(181)
free with in-app purchases