Compare observed celestial altitudes with live calculated values for precise navigation. Tap to pause and receive instant feedback. Access data for the Sun, Moon, Venus, Mars, Jupiter, Saturn, 57 navigational stars, and Polaris.
View celestial objects like stars, planets, and constellations using device sensors and GPS. Tap to identify objects and learn about their properties. Explore detailed information on celestial events and navigation. Share observations with others.
Explore stars, constellations, and celestial bodies
Explore the night sky by pointing your device toward the sky. Identify stars, comets, constellations, and celestial bodies. Tap to view detailed information about each object. Sync with GPS and device sensors for accurate positioning.
Use GPS to navigate trails . Import custom maps and create personal maps. Access topographic, hiking, cycling, and city maps from publishers like National Geographic and National Park Service. Sync with devices for use.
Build and customize rockets to explore a realistically scaled universe. Navigate using real orbital mechanics and travel to distant planets and objects. Interact with Mercury, Venus, Earth, the Moon, Mars, Phobos, and Deimos.
Monitor with real-time updates. Set configurable limits with four presets. Alert with color change and sound when exceeding limits. Emit loud sound for speeding alerts. Track during driving. S.O.S. mode for flat tyre emergencies.
Track wind conditions with detailed forecasts, maps, and compass readings. Monitor wind speed, direction, and gusts. Receive push notifications for wind alerts and storm warnings.
Track changes using a barometer and set reference pressure and altitude. View real-time altitude and adjust landscapes based on time of day. Use compass for orientation during hiking and outdoor activities. Compare differences between two points.
Track routes, find waypoints, and navigate offline
Navigate outdoors with offline GPS maps and real-time augmented reality. Track waypoints and custom locations. Use a gyrocompass, speedometer, altimeter, and inclinometer. Find celestial bodies and measure angles.
Track , distance, and direction with a digital and analog . Set custom distance values. Switch between portrait and landscape modes. Display in MPH, KM/H, and KNOTS. View altitude, maximum , and average with the Pro Pack.
View celestial objects like planets, comets, and stars using augmented reality. Locate constellations and deep sky objects by pointing the device at the sky. Track real-time satellite positions and see what others are observing through OneSky.
Identify stars, constellations, and satellites by pointing device at the sky. View detailed information about celestial objects. Access additional content through in- purchases. Sync with Apple Watch for notifications.
Navigate using weekly updated nautical charts from NOAA. Plan routes manually or automatically. Record GPS tracks and store navigation data including markers and routes. Share data with others. Display tides and currents.
Access for the USA, Canada, UK/Ireland, Germany, Netherlands, and European rivers. View NOAA vector , freshwater lake maps, and USACE inland river maps with bathymetry data. Create or import GPX/KML routes. Use voice prompts for route navigation.
The app provides an interactive guide to the night sky, following device movements in real-time. Users can explore celestial bodies and access extensive information about them.
Access charts, maps, weather data, and AIS information. Navigate with worldwide chart coverage from multiple providers. View real-time weather and track vessel position. Set waypoints and measure distances between points.
View high-resolution NOAA nautical with depth data for U.S. coasts, Great Lakes, major rivers, Brazil, and global areas. Navigate using GPS, track vessel position, and set waypoints. Access tidal information and route planning tools.