StarMap 3D is described as 'Plus is the portable star atlas for beginners or advanced astronomers. Use StarMap 3D Plus to find the planets, stars, constellations, star clusters, galaxies, and nebulae visible to you based on your location and time' and is a Star Map in the education & reference category. There are more than 25 alternatives to StarMap 3D for a variety of platforms, including iPhone, iPad, Android, Android Tablet and Mac. The best alternative is Stellarium, which is both free and Open Source. Other great apps like StarMap 3D are Sky Map, KStars, Star Walk (series) and Sky Guide.
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.