A Tumblr blog fittingly titled AfteriOS7icon has compiled an exhaustive list comparing how icon designs have changed from iOS 6 to iOS 7



From TUAW:

With iOS 7, Apple, under the watchful eye of Jony Ive, completely transformed the aesthetic of iOS. Gone were iOS mainstays like drop shadows, heavy textures and gradients. In their place was a cleaner, simpler interface.

Since iOS 7 was first released about three months ago, innumerable iOS designers have updated their app icons to more closely align with iOS 7's new design aesthetic.

  iOS 6 vs iOS 7 icons: A visual comparison