Google launched Google Analytics for Android at Google I/O for webmasters and bloggers to monitor the traffic of the site even while on go but it is yet to launch Google Analytics for iPhone and iPad users.
Developer Stelios Petrakis has updated Analytiks for iOS devices which provides real-time data of the traffic of your site.

Features-
Create inforgraphics for your site and learn about important metrics with a sigle tap. You can even share on Twitter and email.
New quick graph and a full blown beautiful graph of last 3 quarters plus current month worth of stats. Just turn your iPhone sideways.
Stay always in the loop. Track up to 5 different sites at once.

What is New in this version -
New sleek design
Visitors stats
Themes
Faster performance
The new version of the app has better UI and is faster than the earlier version.The themes is designed to suite both Black and White iPhone.
Analytiks for iPhone and iPad is available for a download from Apple’s App Store for $0.99 and requires iOS 5.0 or above.
Download Analytiks for iPhone and iPad