Stellarium is a planetarium mobile app used to see the star when you look up in the sky. It uses the GPS location to track down the exact position and movement of the star, planets, comets, satellites, and more just by pointing it in the sky. This app is rated as one of the best astronomical applications because of its easy access and minimalist user interface for children and adults. This application can be easily used by pointing your device in the sky and by scrolling up and down, you can explore a catalog of 600,000 stars and other dark bodies in the night sky. Stellarium is available for both iOS and Android devices you can easily download it from the App Store or Play store.