I disagree, iMessage is much slower on poor network connections (and fast ones) for me than WhatsApp, and it is certainly much less reliable. It will fail consi

I disagree, iMessage is much slower on poor network connections (and fast ones) for me than WhatsApp, and it is certainly much less reliable. It will fail consistently unless I have 3G coverage, where WhatsApp works fine on a GPRS signal. The only advantage it has for me is the ability to send larger size pictures.