ios 7 device token is different for same device

Question

I have two applications in one device. For iOS 7 both applications are sending different device tokens but for iOS 6 both apps are sending same device token.

As per

Answer 1

Though this is very late answer, I want to share my test done for i0S 9.2.1. The device token is unique for each app in a device. A new device token will be generated each time we install an app. As far as I know, apple has changed its policy for device token after they released iOS7.