WhatsApp or BBM Which one is better

There is has been argument on which is better in two leading messaging application, WhatsApp and BBM 

Our survey And interview with some student of university of Ibadan has show different dimension to this argument
one mr eniola popoola says he will pick WhatsApp over and over again over BBM.

another female student of psychology mayowa said she doesn't even open the BBM app on her phone anymore.

A student of music mr tope said its BBM and he thinks BBM is better and more mature to use.

Now let's have your own side of the story to see which app was actual better and why you think so?