iphone difference between windows-based application with a view-based application for

Characteristics and differences between these two works.

How can I still use multiple UIViewController subclass (including. Xib file).
Reply:
windows-based is only created a windows based program, in the program, you have to add your own come in a view, then dishes are viewController


Create a view-based based windows / view the program, in the process, the system will add a basic view for you, it will contain a viewController
Reply:
Create Multiple View each view corresponds to a viewcontroller

You can use more than one class of viewcontroller