186+ iOS apps curated and reviewed
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.
This app provides a comprehensive celestial navigation toolkit, including sight reduction, position fixing, and meridian passage calculations. It features an embedded nautical almanac and astronomical computations, eliminating the need for physical tables. Observations can be saved and exported, and the app functions offline.
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.
This application assists with celestial navigation by performing sextant sight reduction calculations. It displays intermediate numbers for verification and can draw lines of position on a map. Features include a perpetual nautical almanac and a star finder to identify celestial bodies.
This app provides tools for celestial navigation, offering computations for celestial bodies and sight reductions. It includes an offline perpetual almanac and allows for quick capture of observation data for accurate course adjustments.
This app helps you navigate and find your way back, even without an internet connection. Easily bookmark locations like your parked car or hiking trails, and receive precise directional guidance to return. Sync your saved spots across devices for seamless access.
Navigate marine environments with detailed nautical charts and route planning. Track your location, find friends on the water, and share your trip details for safety. Offline chart access ensures reliable navigation even without an internet connection.
Find exact routes and get turn-by-turn voice guidance to your destination. Discover nearby places like gas stations, restaurants, and parks with live traffic updates. Explore the world through voice-enabled maps.
This app offers a beautifully designed compass experience for your iPhone or iPad. It provides precise GPS coordinates, altitude, sunrise/sunset times, and barometric pressure. Easily share your location and choose between magnetic or true north.
Navigate your journeys with accurate, turn-by-turn directions and voice guidance. Discover nearby places and access offline maps for seamless travel, even without a connection. Track your location history and utilize helpful tools like a speedometer and compass.
This app assists with celestial navigation training by providing a perpetual almanac, star finder chart with animation, and tools for calculating lines of position and meridian passages. It can utilize device sensors for real-time chart positioning, though a marine sextant is still required for actual navigation.
Navigate to any destination worldwide with real-time maps, voice guidance, and traffic alerts. Explore nearby places, view street and satellite imagery, and track your travel history. Features a digital compass for precise directions.
Navigate to any destination with turn-by-turn directions and voice guidance. Discover nearby points of interest like gas stations and restaurants. Save your search history for easy access to previously visited locations.
Explore the cosmos with an AI-powered planetarium. Identify stars, planets, and satellites by pointing your device at the sky. Discover celestial objects in augmented reality and share your stargazing experiences with others.
Identify stars, constellations, planets, and satellites in real-time by holding your device overhead. Explore celestial bodies with AR overlays, track satellites like the ISS, and travel through time to view past and future astronomical events. Perfect for both novice and experienced stargazers.
Connect your satellite communicator to your mobile device for text messaging, navigation, and trip planning. Access offline maps, track your location, and share your adventures globally. Stay connected and safe on any outdoor expedition.
Explore the cosmos with a real-time sky map. Point your device to identify stars, planets, and constellations. Discover celestial events and learn about the universe with detailed information and 3D models.
This app provides digital nautical charts and navigation tools for safe boating. It offers offline chart downloads, real-time AIS tracking, and community-shared points of interest. Plan and share your routes with ease.
This app helps you navigate by displaying your direction on a compass, overlayed on a satellite or map view. It provides your street address, GPS coordinates, and altitude, along with What3Words coordinates for precise location identification.
This app provides precise directional and navigational readings, cross-validating data from multiple sources for enhanced accuracy. It features a dual compass display integrated with maps, a destination pointer, and GPS path recording for reliable orientation and exploration.