I'm not talking about the app of the week. If you download the Apple Store and go to the stores section, there will be a free app or music tracks available for download. The freebie changes every week!!!
But now there's this: https://itunes.apple.com/us/app/12-days-of-gifts/id777716569?mt=8&at=10l3Vy -- an app for some Free Stuff Dec 26 - Jan 6th.