Best Sextant alternatives: apps like Sextant — Celestial Nav

8+ similar apps compared and reviewed

5.0 avg rating

1 free apps

Updated October 2026

Sextant — Celestial Nav

Stolk.cc

📚 Education

🗺️ Navigation

Whether you want more options like Sextant or a completely different take on the same concept, our curated list of 8+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to Sextant

Nav Tools - Flight and Sail by Daria Tokareva

Digital navigation instruments

Editor's Choice

🗺️ Navigation

0.0(0 ratings)

$3.99

Nav Tools - Flight and Sail screenshot 1

Nav Tools - Flight and Sail screenshot 2

Nav Tools - Flight and Sail screenshot 3

Nav Tools - Flight and Sail screenshot 4

Nav Tools - Flight and Sail screenshot 5

Nav Tools - Flight and Sail screenshot 6

time+position by edoardo biagioni

lat/long, altitude and speed

Strong Contender

🗺️ Navigation

0.0(0 ratings)

Free

Radar Plotting by Giacomo Gabriele

Worth Considering

🗺️ Navigation

5.0(1 ratings)

$7.99

This app offers advanced radar plotting for maritime navigation. It allows users to calculate critical encounter data, plan maneuvers, and analyze complex scenarios with interactive visualizations. Designed for training and decision support, it aids in understanding vessel interactions.

More apps like Sextant

Nautical Calculator Pro

$14.99

This app assists with critical marine navigation and maneuvering calculations. It offers tools for route planning, collision avoidance, and understanding international maritime regulations. Features include real-time ship movement, GPS, and a glossary of marine terms.

Real-time ship movementRoute planningCollision avoidance calculations

This professional celestial navigation app allows users to accurately determine their position using a sextant to observe stars, planets, and the Sun. It features a 3D sky map and integrates with the device's native map for celestial fixes. Users can utilize either their current device location or dead reckoning for navigation.

Sextant-based celestial observationAccurate position fixing3D Sky Map (beta)

Perpetual Nautical Almanac

by RPA TECHNOLOGIES SL

$6.99

Calculate precise celestial positions for navigation from 1900 to 2050. Get real-time data on the Sun, Moon, planets, and stars, including rise/set times and atmospheric corrections.

Real-time celestial body positionsSunrise/sunset and moonrise/moonset calculationsSunlight world map with celestial positions

This navigation app provides essential yacht cockpit features, including a spherical compass, man-over-board alerts, and anchor watch. It offers offline charts, weather overlays, and marine instrument displays for a comprehensive sailing experience.

Spherical compass displayMan-over-board button with direction/distanceAnchor watch with forwarding

Navigate open waters using your phone's camera to sight celestial bodies. This app plots lines of position and combines them for an estimated location on a lat/lon grid. It's a powerful tool for offshore navigation without relying on GPS.

GPS-free navigationCamera-based celestial sightingsAutomatic position plotting