Iphone-http is a project mainly written in OBJECTIVE-C and C, it's free.
Show some hard numbers around overhead of HTTP on iPhone
Sample iPhone project used to test benefits of different HTTP client implementations.
You will need to checkout the submodules to build this project.
$ git submodule update --init
None - please ignore the Copyright notices in the headers, which are just part of my default file template for Xcode for my current employer.