iOS6 vs iOS7 vs Android - Visualized

PortKit takes care of it all.
I'll let them say it

PortKit shows you each Cocoa UI Element in iOS 6 / iOS 7 and its Android widget version, side by side, so you can compare and find the correct equivalent when porting an app. We are a Brisbane based company thatdevelops iPhone & iPad Apps and Android Applications and we wanted a simple way to visualise, reference and compare UI elements, and have quick access to documentation and the respective naming conventions.
Due to the popularity of this post we decided to add a tonne of handy resources, tools, and tips that we use day to day available at the bottom of this post.

Just go check it out - its pretty damn impressive...
(screencap below..)