I have this question too.
And I think this is not because it was downloaded using a different Apple id because I downloaded with my own apple id.
Something wrong with AppStore.app in iOS 8. Maybe in iOS 9 it will be fixed. I hope.
I found how to fix that you can try this:
1. Go to iTunes on your PC.
2. Click on Store in the top (horizontal) menu.
3. Click on View my Account.
4. Log in with your usual details.
5. Scroll down to the Settings section. Where it says "Recommendations & Ping Posting" click Manage.
6. Uncheck the box that says "Ping Posting & Recommendations".
7. Click Save Changes.
I'm not testing it yet but I hope it helps.