WhatsApp Messenger v2.2.21 (BETA) for our Nokia C7 or any other Symbian^3 device, is a smartphone messaging application which allows us to exchange messages with our friends and contacts without having to pay for SMS.
To send and receive messages, WhatsApp utilizes your existing smartphone internet data plan: 3G/EDGE (or Wi-Fi when available). WhatsApp only works among users who have the application.
In addition to messaging, WhatsApp Messenger users can send each other unlimited images, video and audio media messages.
WhatsApp Messenger is free for 1 year, after free trial period you can purchase service for $1.99 USD/year, ie 1.40 euros.
Download | WhatsApp Messenger