Best EZ Sextant alternatives: apps like EZ Sextant

10+ similar apps compared and reviewed

4.4 avg rating
6 free apps
Updated November 2026
EZ Sextant
EZ Sextant
Third Reef Software LLC

Whether you want more options like EZ Sextant or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to EZ Sextant

4.9(26 ratings)
$29.99
EZ Celestial Navigation screenshot 1
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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.

CamSextant#3

CamSextant by Omar reis

Sextant & Celestial Navigation
Worth Considering
🗺️ Navigation
4.4(7 ratings)
Free
CamSextant screenshot 1
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CamSextant screenshot 4

This app functions as a celestial navigation tool, enabling users to take altitude measurements of celestial bodies using their phone. It provides real-time star and planet identification, automatic astronomical position calculations, and a perpetual nautical almanac.

More apps like EZ Sextant

4
Celestial Nav
Celestial Nav
Celestial Nav
Modern Celestial Navigation
Free

This tool provides comprehensive celestial navigation calculations, including sight reductions and almanac data. It offers both basic free features for daytime sun navigation and advanced pro features for day and night use with a wide range of celestial bodies. The app is designed for offline functionality and ease of use.

Celestial navigational computationsPerpetual Almanac (1600-3000)Offline functionality
🗺️ Navigation
(10)
free with in-app purchases
5
GPS 2 IP
GPS 2 IP
GPS 2 IP
Wireless NMEA Navigation Data
$7.99

Stream real-time GPS NMEA location data from your iPhone or iPad to other devices. Ideal for advanced navigation software and enthusiasts who need external GPS capabilities.

Stream NMEA GPS data wirelesslyConnect via Wi-Fi or Bluetooth LEPush data to online servers (TCP/UDP)
🗺️ Navigation
(15)
paid
6
Anchor Alarm & Remote: Hooked
Anchor Alarm & Remote: Hooked
Anchor Alarm & Remote: Hooked
GPS Anchor Watch & Drift Alert
Free

This app acts as a digital anchor watch, alerting you if your boat drifts beyond a set perimeter. It offers real-time tracking, remote control of your anchor session, and historical data analysis. Enjoy peace of mind while on or off deck, with battery-efficient operation and smart connectivity options.

Real-time boat trackingRemote anchor session controlHistorical anchor session review
🗺️ Navigation
(67)
free with in-app purchases
7
Doyle Guides
Doyle Guides
Doyle Guides
Navigate With Confidence
Free

This app offers comprehensive sailing guides for the southern Caribbean, featuring nautical charts, service details, and points of interest. Users can search a large database, view results on an interactive map, and contribute comments or corrections.

Comprehensive sailing guidesNautical charts and navigational info3000+ points of interest database
🗺️ Navigation
(51)
free with in-app purchases
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
(9)
free with in-app purchases
9
Boat Beacon
Boat Beacon
Boat Beacon
AIS Marine Navigation
$14.99

This marine navigation app provides real-time AIS data for collision avoidance and position sharing. It offers over-the-horizon warnings, background operation, and a user-friendly interface for boaters.

Collision warnings with CPA calculationsReal-time AIS ship trackingBackground operation for continuous alerts
🗺️ Navigation
(871)
free with in-app purchases
10
Cortex Onboard
Cortex Onboard
Cortex Onboard
Cortex on your mobile device
Free

Configure and update your marine electronics, and monitor vital boat data remotely. Receive alerts, view AIS information, and manage anchor watch from your mobile device.

Configure and update Cortex devicesView AIS information and alertsManage Anchor Watch remotely
🗺️ Navigation
(12)
free