Cartes du Ciel (Skychart) is described as 'This program enables you to draw sky charts, making use of the data in 16 catalogs of stars and nebulae. In addition the position of planets, asteroids and comets are shown' and is an app in the Education & Reference category. There are more than 25 alternatives to Cartes du Ciel (Skychart) for a variety of platforms, including iPhone, iPad, Android, Android Tablet and Windows. The best alternative is Stellarium, which is both free and Open Source. Other great apps like Cartes du Ciel (Skychart) are Sky Map (Free, Open Source), Gaia Sky (Free, Open Source), KStars (Free, Open Source) and Star Walk (series) (Paid).
SkySafari is a powerful planetarium that fits in your pocket. It puts thousands of stars and planets at your fingertips. It lets you find objects in the sky using your device's built-in compass and accelerometer.
SkyView is powerful, easy-to-use app that answers questions about stars, constellations, and more. Simply point the camera to the sky, tap on what you see and discover neat things about these sky objects.