You know I usually do one section each day with the best applications in the App Store offer but I think it is mandatory that you report that WhatsApp, instant messaging client for excellence, you can download for free for long.
A perfect choice to put aside the outdated and prohibitive prices charged for sending an SMS.
If you have not yet installed on your iPhone WhatsApp is a great time to download. Click on the link below and you will be yours:
Note: If the link is below 0.79 euros appears that costs do not worry, the price has to be updated but you will see that iTunes is free.