A couple of weeks ago Mac App Store apps disappeared from the purchase history tab, making re-downloads impossible. It was a bug, Apple fixed it, and purchase histories were restored. Now a similar bug has been fixed on the iOS App Store, and purchase histories there are also being restored. So, if you noticed you couldn't re-download some old apps and games, hang tight. They'll be back soon.
Full story from the iMore Blog...
Full story from the iMore Blog...