Apps may come and go but what lasts in the long run is the qualitative difference it makes to a user's life. We found one such interesting app for you readers. An app for a good cause.

VibeTunes, is the world's first smartphone app that enables deaf people enjoy any musical composition. It is the latest in the series of technologically driven cause based apps that are not simply there to do the rounds and vanish.

Designed by a Colombian advertising agency - Y&R for Cartagena Music Festival campaign, the app is crafted such that it transforms song frequencies into audible songs via phone vibrations so as to give a real musical feel. True to their mission statement, the app has brought out music for everyone to cherish.