How to consume web service in iOS

Err, you can write your own classes? with NSXMLParser, and JSONKit for the webservices. Create a utility class, with the functions to call the methods. Something like that. On Ray Wenderliche's blog, there is a beautifull tutorial on how to do Webservices.

 

You might find a little framework of mine useful for doing your network calls:

https://github.com/lukeredpath/LRResty