Apple completely redesigned its mobile operating system in iOS 7, and now app makers have to catch up. We're tracking how some of the biggest developers around are responding to the design change, be it through small updates of their own, or big changes that alter how we use the app as a whole.
A few new apps prove beauty doesn't have to be skin deep
With iOS 7, the company introduces a flat design, a new navigation bar, and a surprising new system for testing it all
A brand new vision for iOS, Android, Mac, and web