I've unlocked about 3 or 4 phones with this website and every time has been amazing! I always get the code within 24 hours, it always works, and plus, if you find a lower price somewhere else just call them and they'll match the price. At first, I was skeptical using a website to unlock my phone myself, but they make it easy. They send you the code and instructions, and within 30 seconds you're all done.
Bottom Line: Yes, I would recommend this to a friend