Luminos is described as 'All-in-one astronomy app that goes beyond simple stargazing. It combines millions of celestial objects into a beautifully-rendered space simulation that will amaze you. Our enthusiastic customers range from hobbyists to professional astronomers, and everyone in' and is a Star Map in the education & reference category. There are more than 25 alternatives to Luminos for a variety of platforms, including iPhone, iPad, Android, Android Tablet and Windows apps. The best Luminos alternative is Stellarium, which is both free and Open Source. Other great apps like Luminos are Sky Map, KStars, Gaia Sky and Sky Guide.