I have been using iOS 7 for a week nearly on a iPhone 5S, and it has rather surprised me. Prior to iOS 7, using Google services and apps on an iPhone was rather painful, but now sign in to Google+ and the other Google apps can sign in automatically too.
But one app that I used a lot on an android phone was Google Maps. And I hate to admit this, but on iOS 7 it works better.
Why?
Simply, the way iOS 7 does notifications, if you are in another app with Google Maps running in turn by turn navigation mode, not only does the phone speak the next turn, but it displays a large enough banner at the top of the screen with the written instructions too. This makes it really useful to use and a feature that is missing on android.
Sometimes, you wonder which operating system is more important to Google.