Q: For my iPod when I try to download a free app it asks me for billing info but I don't have a credit card or anything

Either purchase and redeem an iTunes gift card into your account

iTunes Store: How to redeem a code

or

Create a NEW account/ID for her using these instructions. Make sure you follow the instructions. Many do not and if you do not you will not get the None option. You must use an email address that you have not used with Apple before.

  Creating an iTunes Store, App Store, iBookstore, and Mac App Store account without a credit card

Note:

- Apps are locked to the account that purchased them.

- To update apps you have to sign into the account that purchased the apps. If you have apps that need updating purchased from more than one account you have to update them one at a time until the remaining apps were purchased from one account.