Facebook Messenger for iOS

The Facebook Messenger for iOS is a fast, free and reliable way to stay in touch with your Facebook friends while you are on your mobile device. Facebook Messenger is built on the open MQTT protocol and is integrated with Facebook's web-based chat feature.

You can download the app directly on your iOS device through the Apple App Store or by using the following link:

Download
Price	Free
Requirements	iOS 4.3 or greater