What are some alternatives?
When comparing Lockinfo and Cylinder, you can also consider the following products
Winterboard - Give your iPhone or iPod Touch a graphical overhaul!
IOSLife - IOSLife lets you have animations on your Springboard, Lockscreen, Application Switcher etc.
Dreamboard - DreamBoard lets you take control over the homescreen of your jailbroken iPhone.
Springtomize - Tear down the walls
Pimp Your Screen - All you wanted to know about Apalon applications for App Store, Google Play and Amazon Appstore. Learn more, follow download links, or get the press kit.
Cydia - An alternative app store for jailbroken devices.