Google have just updated it’s Google+ app for iOS devices.
What’s New in Version 4.1
– New feature: Google+ Communities
– Ability to subscribe to any circle for notifications
– Ability to indicate how many guests you’re bringing to an event
– Support for time zones in Events
– Basic profile editing
– New compose UI for easier sharing
– New visual stream design
– Discover people and topics more easily using ‘Find people’
Go get it now from the Apple App Store.