47+ iOS apps curated and reviewed
Out of 47+ sextant apps on iOS, 13 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
This application turns your phone into a celestial navigation tool, allowing you to take altitudes of celestial objects and calculate your astronomical position with ease. By pointing your phone at a celestial object and tapping the screen, you can capture the altitude and time, and with just a few clicks, get your precise location.
This app lets you carry a sextant in your pocket, allowing you to measure latitude by simulating the use of a real sextant, complete with adjustable index arm and calculations for declination and local solar noon. Download the app to start navigating like a pro!
This application helps with celestial navigation by allowing users to accurately record time readings with sextant sightings, storing them for later use, and even taking photos for confirmation. By tapping the screen, users can easily record time in UTC, hear a confirmation sound, and feel a vibration, making it easy to use with or without an assistant.
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.
Navigate in open waters without a GPS by using your phone's camera to make sightings of celestial bodies like the sun, moon, Venus, or Mars. Plot lines of position with multiple sightings for a running fix and view your estimated position on a lat/lon grid. Additionally, utilize a sextant, built-in almanac, and plotting tools for enhanced navigation.
This practice aid helps learn traditional Celestial Navigation by showing all the steps for performing sight reductions and plotting lines of position, using tools like a Nautical Almanac and Sight Reduction Tables. Try it to sharpen your skills and master calculations for celestial navigation.
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.
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.
This independent cafe and roastery sources high-quality coffee and tea by working directly with farmers from various countries, aiming to showcase the most flavorful options. Visit them to experience unique and delicious coffee and tea offerings.
This application helps users measure angles, distances, and heights of objects viewed through a camera, with features like a clinometer, level, and estimation tools. It allows for accurate measurements, zooming in for precision, and using different units, making it a versatile and user-friendly tool for various tasks.
Explore the Universe with an innovative stargazing app that helps you identify stars, constellations, and satellites by simply pointing your device at the sky. Perfect for all sky enthusiasts, it offers a user-friendly experience with features like celestial event reminders and precise object identification.
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.
This application offers a glimpse into a world where the seximal numbering system, based on six, is used instead of decimal, providing tools such as number conversion, a seximal calculator, and a length converter. Download the app to explore and experience an alternative way of counting and interacting with numbers in everyday life.
This application helps users verify the accuracy of their GPS location by comparing observed celestial navigation altitudes with precisely calculated altitudes, allowing for the detection of GPS spoofing. It also serves as a celestial navigation trainer, providing instant feedback and enabling users to improve their sextant skills quickly, all while functioning with or without a network connection.
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.
This digital Nautical Almanac provides 100 years of navigational data in a convenient and interactive format, allowing users to easily access and utilize the information for celestial navigation. With features such as highlighting, zooming, and panning, users can efficiently perform basic navigation activities and sight reductions, making it a valuable tool for navigators.
