Australia is the cheapest, by a fair margin. The comparison looked at three different postpaid plans using an Apple iPhone 4S 16GB, as this device was available in all countries, and looked at three plans used incorporating handset ownership and service usage: 100 calls with 500MB of data, ...
with a paid subscription. The sad fact is that you'll have to pay to gain access to advanced security features without limitations on your usage. It's not all bad news though, because there are plenty of cheap plans out there, especially if you're willing to commit to a lengthy ...