Stellarium is described as 'free open source planetarium for your computer. It shows a realistic sky in 3D, just like what you see with the naked eye, binoculars or a telescope' and is a well-known app in the Education & Reference category. There are more than 50 alternatives to Stellarium for a variety of platforms, including iPhone, iPad, Android, Windows and Android Tablet. The best alternative is Celestia, which is both free and Open Source. Other great apps like Stellarium are Sky Map (Free, Open Source), Space Engine (Paid), Gaia Sky (Free, Open Source) and KStars (Free, Open Source).
- Space Engine - a real-time 3D space simulator, procedural universe generator and visualiser. View 18 alternatives to Space Engine
- Paid • Proprietary
Space Engine vs StellariumSpace Engine seems to be a game and not a star database for astronomy.Space Engine contains many known planets and nebulas, you can get close to them, search them and even land on planets and view them from other angles
- 3D simulation of the Solar System and night sky - real time virtual orrery and observatoryFeatures:- Heliocentric view with real-time positions of planets and planetary... View 44 alternatives to Solar System Scope
- Freemium • Proprietary
- Android Tablet