Tested on an iPhone 4 and an iPad 3. The animated transitions are very slow, to the point where it only displays a few frames on the iPhone. I would agree that

Tested on an iPhone 4 and an iPad 3. The animated transitions are very slow, to the point where it only displays a few frames on the iPhone. I would agree that it gives the app an unpolished feel, that and the sign in nagging. Otherwise the functionality is great.