Google+ has arrived as a free app for your iPhone. Its user interface is similar to Facebook’s, writes Josh Lowensohn at CNET, and it improves upon the mobile-browser version. It provides a way to upload photos from your phone, but it lacks video chat, and “the Circles organizing is just a big list of contacts, versus the drag-and-drop experience you'd get on the desktop.” Head to CNET for Lowensohn’s full review. (More Google Plus stories.)