Apple iPod Touch: this section is mainly oriented toward the iPod Touch version, as it's essentially a mobile miniature Mac in your pocket; all without the service plan needed with the iPhone. All applications (apps) which run on the iPod touch also work on the iPhone.

Hardware

Apple iPod Touch is more than a music player, it's a wifi-enabled mini-computer.

Apple iPhone, the venerable smartphone and wifi-enabled mini-computer.

Apple iPad, tablet format mini-computer.

Software