Google Analytics recently raised the number of accounts your can create, per Google login, from 25 to 100. This should be welcome news for agencies and anyone else who needs to implement Google Analytics for a multitude of websites.
You can also create another Google login, which would allow you set up an additional 100 Google Analytics accounts, but it’s not considered best practice to fragment your Google Analytics accounts among multiple logins.
This will help to track different property (Web, APP, WAP) for multiple domains in single google account. Moreover, using single login it is very easy to track the cross device behavior, because it is very easy to track multiple property in single account.Google+