SkyMap is described as 'Provides interactive sky maps for any time, viewpoint and location on Earth. It shows the different names, coordinates, magnitude, astronomical rise and set times plus additional information for over 110000 stars, messier objects, planets, sun and moon' and is a Star Map in the education & reference category. There are more than 25 alternatives to SkyMap for a variety of platforms, including iPhone, iPad, Android, Android Tablet and Mac apps. The best SkyMap alternative is Stellarium, which is both free and Open Source. Other great apps like SkyMap are Sky Map, KStars, Astrarium and Solar System Scope.