What's wrong with iOS7 in one picture.
Fellow designers should be rolling over in laughter in this inconsistency. Look at that. Square, then Circle, then Rounded Square, then Outlines? The colors are childish and the icons have inconsistency as well. Look at iCloud compared to mail - outlines again. Welcome to the Franken-OS, where over reliance on Helvetica Neue Light is your only saving grace.