It is possible to create a new iTunes account without payment information in order to download free iOS apps for iPhone/iPad/iPod Touch devices. This is useful if you wish to download free applications, such as Wisconsin App, without needing to provide Apple with credit card information.
In order to download free iOS apps without having payment information on file with Apple, you will need to create a new iTunes account. For more information about this, please see http://support.apple.com/kb/ht2534 which describes the process for setting up a new account without payment information.
Note: The DoIT Help Desk cannot assist with account questions related to iTunes accounts. If you have questions regarding your iTunes account, you should contact Apple for assistance.