WhatsApp Messenger for iPhone is a free messenger app that is used internationally on a range of internet-connected devices. WhatsApp allows users to communicate via written messages, voice messages, and video and audio calls. Users are also able to exchange files, such as pictures, music, documents, and even videos, with their contacts. Users must have at least a 3G or WiFi connection in order to benefit from this feature.
WhatsApp allows users to set a custom statuts, profile, background, ringtone, and more. Push Notifications can also be enabled to remain aware of received messages, even when they are inactive in the app.