Best Imariner Celestial Navigation Apps

186+ iOS apps curated and reviewed

4.2 avg rating
16 free apps
Updated May 2026

iMariner Celestial Navigation is the household name in imariner celestial navigation, but it's far from the only option. We track 186+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Imariner Celestial Navigation

iMariner Celestial Navigation#1

iMariner Celestial Navigation by DFR Editions

Editor's Choice
🗺️ Navigation
4.4(10 ratings)
$26.99
iMariner Celestial Navigation screenshot 1
iMariner Celestial Navigation screenshot 2
iMariner Celestial Navigation screenshot 3

This navigation toolbox allows users to take celestial readings, calculate positions, and plan observations with features like a nautical almanac, solar compass, and starfinder, all without requiring an internet connection. With this tool, users can easily reduce sights, take fixes, and save observations, making it a comprehensive and handy companion for navigation.

EZ Celestial Navigation#2

EZ Celestial Navigation by EZ Celestial LLC

ezAlmanacOne
Strong Contender
🗺️ Navigation
4.9(19 ratings)
$29.99
#41in 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 application makes celestial navigation easy by providing a digital Nautical Almanac and tools to perform calculations, plot lines of position, and find your fix. With its intuitive interface, you can enter observation data, perform compass checks, and generate reports, making it a valuable tool for navigators, instructors, and anyone looking to master celestial navigation.

Celestial Navigation#3

Celestial Navigation by Dr. Harald Merkel

Sextant Sight Reduction
Worth Considering
🗺️ Navigation
4.4(13 ratings)
$1.99
#44in Navigation
Celestial Navigation screenshot 1
Celestial Navigation screenshot 2
Celestial Navigation screenshot 3
Celestial Navigation screenshot 4

This navigation tool simplifies celestial navigation by performing calculations to reduce sextant readings to a line of position on a map, with features like a perpetual nautical almanac and star identification. By using this app with a sextant, users can easily determine their position and navigate, and can even save readings and visualize them on a map.

More Imariner Celestial Navigation apps to explore

4
Celestial Nav
Celestial Nav
Celestial Nav
Modern Celestial Navigation
Free

This application offers a comprehensive tool for celestial navigation, providing users with a simple and powerful platform to perform navigational computations, capture celestial observation data, and obtain high-accuracy sight reductions. With both free and paid features, users can access a range of tools, from basic daytime navigation to advanced day and night navigation, and even save and reference their calculations for future use.

🗺️ Navigation
(8)
5
GPS Navigation Offline
GPS Navigation Offline
GPS Navigation Offline
north, south, east, west
Free
$0.29 | 100% OFF

Navigate without internet, save locations, and find your parked car easily with this maps toolkit app. Travel safely and efficiently with Anchor Pointer Compass GPS. Try it now!

🗺️ Navigation
(2.9K)
6
Celestial Navigation 360
Celestial Navigation 360
Celestial Navigation 360
by Nicholas Braun
Free
🗺️ Navigation
(0)
7
PRO CHARTS - Marine Navigation
PRO CHARTS - Marine Navigation
PRO CHARTS - Marine Navigation
by MiraTrex, Inc
Free

PRO CHARTS is a marine navigation application that offers high-resolution NOAA nautical chart coverage with features like easy Waypoint creation, Buddy-tracking, Float Plan creation, and offline navigation. Stay safe on the water with this powerful tool on your iPhone or iPad. Visit www.miratrex.com for more information.

🗺️ Navigation
(8.4K)
8
GPS Navigation & Map Direction
GPS Navigation & Map Direction
GPS Navigation & Map Direction
Rout Finder & Live Traffic
Free

An advanced GPS navigation app that provides real-time directions, traffic updates, and points of interest to help you navigate efficiently. Never get lost again – download now for seamless travel experiences.

🔧 Utilities
(897)
9
Compass ×
Compass ×
Compass ×
#1 design
Free

Find your direction and explore the world with Compass X. Navigate, discover new places, and never lose your way again. Download now to start your adventure!

🗺️ Navigation
(8.3K)
10
GPS Navigation and GPS Maps
GPS Navigation and GPS Maps
GPS Navigation and GPS Maps
Voice navigation with GPS app
Free

A comprehensive GPS navigation app offering features like route planning, voice-guided navigation, near search, offline maps, and more. Navigate confidently with real-time traffic updates and customization options. Start exploring today!

🔧 Utilities
(131)
11
Celestial Navigator
Celestial Navigator
Celestial Navigator
by Omar reis
Free

This celestial navigation application helps users with astronomical position calculations, star finding, and meridian passage calculations, utilizing device sensors for real-time star chart positioning. It assists with celestial navigation training and can be used in conjunction with a marine sextant, and comes with an included e-book manual and tutorial.

🗺️ Navigation
(3)
12
GPS Live Navigation
GPS Live Navigation
GPS Live Navigation
GPS Navigation & Map Direction
Free

Navigate with ease using GPS Live Navigation - a user-friendly application that provides real-time directions, traffic updates, and accurate maps. Download now for seamless travel experiences!

🗺️ Navigation
(148)
13
GPS Navigation & Path Finder
GPS Navigation & Path Finder
GPS Navigation & Path Finder
Offline Maps, Sat Nav, CarPlay
Free

A GPS navigation app that provides real-time directions, traffic updates, and route optimization for efficient travel. Get turn-by-turn guidance and explore your surroundings with ease. Download now to streamline your journey.

🗺️ Navigation
(3.5K)
14
Night Sky
Night Sky
Night Sky
Guide to Stars,Comets,Meteors
Free

Night Sky is a unique stargazing app that offers AR personal planetarium features. Easily identify stars, planets, constellations, and satellites by pointing your device to the sky. With features like Sky Tags, Connected Stargazing, Spatial Audio Object Navigation, and an AR Sky Window, explore the night sky like never before.

🔍 Reference
(482K)
15
Sky Guide: AR Astronomy Finder
Sky Guide: AR Astronomy Finder
Sky Guide: AR Astronomy Finder
Star gaze constellation finder
Free

Discover the universe with ease using this powerful star gazing app that identifies stars, constellations, planets, and satellites when you point your device to the sky. Whether you're a seasoned stargazer or a beginner, this app's AR mode and time controls make exploring the cosmos effortless. Join millions in connecting with the stars and explore the night sky like never before.

🔍 Reference
(26K)
16
Earthmate
Earthmate
Earthmate
Text and Navigate with inReach
Free

Pair your inReach® satellite communication device with the Earthmate® app to send messages, navigate, and stay connected during outdoor adventures. Access topographic maps, aerial imagery, route navigation, tracking features, and more with unlimited cloud storage. Transform your mobile device into a satellite communication, GPS, and safety tool by connecting to the global Iridium® satellite network. Explore, sync, and save trip data seamlessly with this essential outdoor companion. Find out more at www.garmin.com/inreach.

🗺️ Navigation
(270)
17
Star Walk 2 Plus: Live Sky Map
Star Walk 2 Plus: Live Sky Map
Star Walk 2 Plus: Live Sky Map
Your Free Path to the Stars
Free

Explore the night sky using your device with an exquisite stargazing app that identifies stars, planets, and constellations. Simply point your device to the sky for an effortless journey through the cosmos.

📚 Education
(93K)
18
NV Charts GPS Navigation AIS
NV Charts GPS Navigation AIS
NV Charts GPS Navigation AIS
Marine Navigation and Boating
Free

This marine navigation app provides up-to-date digital nautical charts, harbour information, and a suite of navigation features, allowing users to download charts for offline use and enjoy a seamless navigation experience. With features like AIS, autorouting, and community sharing, users can navigate safely and efficiently, and explore the water with confidence, discover new destinations and share experiences with the boating community.

🗺️ Navigation
(106)
19
Compass - Professional
Compass - Professional
Compass - Professional
Safe and easy navigation
Free

Discover precise navigation with Compass Pro. Easily locate yourself, view compass direction alongside a satellite image or map, access street address, GPS coordinates, height above sea level, and What3Words coordinates. Swiftly toggle between satellite image and map view by tapping the compass, zoom in for better orientation, and track accuracy with the highlighted area. Terms of Use: [Link to Terms of Use]

🗺️ Navigation
(2.3K)
20
Northern Compass & Navigation
Northern Compass & Navigation
Northern Compass & Navigation
Precision Compass & Navigation
$3.99

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🗺️ Navigation
(627)