Over the past so many years the company I work for has gathered over a million mobile phone numbers and I need to bulk SMS to these customers in the cheapest possible way. Some of the agents that produce work for us don't give us the customers emails but they give their numbers, this would be a perfect way to "steal" customers. I have just download a program called Lan tech soft bulk sms but it doesn't seem to find my iphone. i am also looking at another one called daanav. I was just wondering do these programs actually work?