Science (195 programs)
Pros: Alert you by mail. Automatically place orders. Support for six Amazon sites.
Cons: Alert sound is terrible. Can only set watch by seconds or minutes. Random items sometimes appear.
Pros: Simple, intuitive interface. Learn by playing. Very engaging application. Features several interactive geological simulations.
Cons: Application consumes a lot of resources. No ability to roam around in a virtual world. Getting to know your way around can be challenging. Only 20 simulations are available.