Google promised that iPhone users would soon be getting a Google+ app of their own, and its now here. Not surprisingly, it looks a lot like the Android app, including views of your main stream and nearby users, sharing via Circles, and support for the Huddle group messaging feature. Its not a universal app, though, so iPad users are still left out for the time being, as are those with an iPod touch, for yet reasons unknown.
It's my life, you're just along for the ride! 