Science (273 programs)
Pros: Smaller learning curve. Quite easy to use. Most essential features. Great custom libraries.
Cons: No dynamic libraries. Poor help documents. Few additional features. Weak default libraries.
Pros: Contains more than a thousand symbols. Different title bocks to choose from. The ability to create new title blocks. Easy to use.
Cons: Can take time to learn. Only for non-commercial use. Rather light on features. The interface is quite dull.
Pros: Slick 3D interface. Detailed picture of the solar system. Search and navigate the universe easily. Uses GPS on mobile devices.
Cons: Can be slow and sluggish to render 3D graphics. Enhanced planetery info only in Premium version.