Is there anyw ay to clear app cache...so as to free some memory from apps cache and make ios bit more faster....i know how to close an app...i am talking about the caches...thanks
here try this
http://forums.imore.com/ios-6-forum/246958-how-delete-app-data.html
I just learned about it the last time I went to the Apple store.
Except what you were describing in that thread isn't deleting app data at all...