Cosmic-Watch is described as 'Discover the fascinating relation between time and the cosmos. Enjoy this interactive learning tool and understand the concept of the celestial sphere and the apparent movement of the sky' and is an app in the Education & Reference category. There are more than 25 alternatives to Cosmic-Watch 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 Cosmic-Watch are Sky Map (Free, Open Source), Gaia Sky (Free, Open Source), KStars (Free, Open Source) and Star Walk (series) (Paid).
Distant Suns astronomy app is an award-winning hand-held planetarium with over 25 years of development, offering you the new way to look at the sky from on the Earth to off. Sporting over 130,000 stars, all 8 (or is it 9?
Planisphere is an astronomy application that lets you use pinch and finger gestures to manipulate a map of the sky. As you zoom in finer detail comes into view. You can double tap on objects to get more information.
Vortex Planetarium - Discover the sky. The most comprehesive, fully featured Planetarium on Android. Used by amateur astronomers and armchair observers alike, Vortex Planetarium offers a window to the skies in stunning detail.