JailbreakMe is described as 'One-touch jailbreaking solution for ALL iOS devices (including the iPad 2) running iOS version 4.3.3, and version 3.1.2 to 4.0.1. It allows you to jailbreak your iPhone, iPod, or iPad right on the device itself, so that it can run apps unapproved by Apple' and is a ios jailbreaking app in the system & hardware category. There are 2 alternatives to JailbreakMe, not only websites but also apps for Mac, Windows, iPhone and iPad. The best JailbreakMe alternative is 3uTools. It's not free, so if you're looking for a free alternative, you could try 3uTools or unc0ver.