Assets

An awesome (*.appiconset) generator for xcode
Easy as drag, drop and click

/ Why

Very simple question with a fairly equal simple answer: application deployment is an important step of your application development workflow, and this tool helps you do just that. You can drop your application executable (.ipa) and share it with anybody. You can use this tool free of charge, but with some limitations.
For the complete list of features check out pricing.