While SMS is great when you have a package that includes unlimited SMS messages, it can be extremely expensive to either send or receive international SMS messages, often to the tune of $2/message. Here are a few alternatives that are available for the iPhone to help reduce costs. Kik Messenger A few days ago, my friend John recommended that I grab a copy of the Kik Messenger application on the iPhone. Kik is an SMS-like application that allows you to have real time text chats with your friends over data or WiFi. Because it supports push notifications, it's as real-time as SMS is, which makes ...