apps / 6477748851
EZ Sextant
Navigate without GPS
Third Reef Software LLC · Navigation · $24.99 · US storefront
- rating
- 5.0 ★
- ratings
- 4
- updated
- Feb 3, 2026
- released
- Feb 12, 2024
v1.9
visible word pool · 5 words
title 10/30 chars · subtitle 20/30 chars
App Store search indexes the title and subtitle together with the hidden 100-character keyword field as one combined pool: any phrase assembled from those words can rank. These are the words of EZ Sextant's pool that are public — the keyword field is not exposed by any API.
from the listing
Navigate in open waters without a GPS. The phone's camera is used to make sightings of the sun, moon, Venus, or Mars. The sighting results are plotted as lines of position with multiple sightings combined into a running fix. Your estimated position is displayed on a lat/lon grid. You can also use your sextant and take advantage of the built-in almanac and plotting tools.
latest US reviews
★★★★★
Excellent tool
Works great on my new iPad Pro 13inch M4.
— macmert
★★★★★
Amazing backup !!
This celestial navigation app is by far one of the best ways I have found to learn how to use an actual sextant and is amazing how easy to use!!! Not to mention a great backup for all your navigation systems on your vessel if , in the event you lost your systems on your boat!!…
— Maveryks
★★★★★
A superb tool—thanks for the great work!
I am a long time user of celestial navigation, a licensed master, retired US Navy Captain, and a passage maker. In this GPS-based world of electronic navigation, I have always maintained redundant backups, including paper, charts, and celestial navigation. This app delivers…
— Tate3441
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