HT4557: iOS: Setting up Home Sharing on your iOS deviceLearn about iOS: Setting up Home Sharing on your iOS device
Currently Being ModeratedDec 26, 2012 6:23 PM (in response to Cleavon67)
All media and apps are tied to the Apple ID that downloaded them.
If you want the massive headache of keeping track of multiple passwords and what ID was used to download what-go ahead and share stuff across devices.
Currently Being ModeratedDec 26, 2012 6:27 PM (in response to Cleavon67)
If you mean can you share purchased music and apps and use separate Apple ID's for purchases - no you cannot do that.
You can share one Apple ID for purchases in iTunes and the App Store and setup individual Apple ID's for FaceTime, Messages and iCloud accounts.
Read this for an explanation of what you can do.