In line with our report from early-October has launched a completely redesigned version of its Facebook Messenger app for iPhone and iPod touch. The new design is in-line with the new, simpler aesthetic of iOS 7, and a similar design launched for Android a few weeks ago. In addition to the new design, the new app brings some new functionality:

•  The ability to see which friends are using the app
• Capability to message others through Messenger as long as you have their phone number
• A fresh new look with navigation to see recent conversations, people on Messenger, and your settings

The update is available via the App Store now as version 3.0. Also in the works, sources say, is a version of the main Facebook application with support for Graph Search. It appears the company has let the interface for that update slip at a developer event: