My friend is getting an iPhone, and his cousin has a program called SIMFree. Is it safe?

My friend is getting an iPhone, and his cousin has a program called SIMFree. Is it safe?
I dont really know about the SIMFree App, but i know that the anySIM app is safe and it WORKS!!! :) This is what I have used this is the link to install anySIM:

http://iphone.unlock.no/

Thanks - Hope Its Good ?!?

My friend is getting an iPhone, and his cousin has a program called SIMFree. Is it safe?

Well if he has not bought the Iphone yet, it will be a "born" 1.1.2 iphone. And then you can only unlock it with a turbosim.