To my knowledge fb doesn't allow apps to delete data. Or, better, an app can only delete data it created in the first place. This is the reason, I guess, there

To my knowledge fb doesn't allow apps to delete data. Or, better, an app can only delete data it created in the first place. This is the reason, I guess, there are no such "server-side" services. I don't know the status of client side, sorry.