Google Drive for iOS updated with multiple account

What’s New in Version 2.1.0

- Multiple Account Support. You can now switch between personal, work, or any other Google account
- Single Sign In: Sign in once to Google Drive and you’ll automatically be signed in to apps like YouTube, Google Maps, Chrome, and G+
- Print your files now with Google Cloud Print or AirPrint
- iOS 7 Support

Notably, users can now have multiple accounts on Drive for iOS and the app supports single-sign-on across Google apps on iOS. Also new is increased compatibility for iOS 7 and printing either via AirPrint or Google Cloud Print.

Source : 9to5mac