Whatsapp messanger is best messanger in my using experiance, I am using whatsapp from from when it is released in india. whatsapp messanger is fastest messanger and whatsapp voice calling is awesome even in 2g network. I like whatsapp web feature so I can use whatsapp in my computer with big screen and keyboard. whatsapp media sharing speed( download and upload) is also good. I like whatsapp messanger.