Want a free way to contact with your friends? Check out WhatsApp Messenger, maybe the iPhone app can meet your requirements.
As its name implies, WhatsApp Messenger is a practical message app designed to provide you a free way to send messages to your friends. WhatsApp Messenger doesn’t have hidden fees. Once 3G/EDGE or Wi-Fi is available, you can send text, video, image or voice messages to your friends and contacts, no matter where they are, you don’t need to pay extra fees. And the notification feature allows you to keep contact with your friends, even though you turn off your iPhone, WhatsApp will save the messages and send them to you until your iPhone is turned on.
WhatsApp Messenger with a size of 6.5 MB us compatible with iPhone running iOS 3.1 or later. The message app is free for a limited time at present. If you’re interested, jump to App Store for more details.