Obviously, these tests aren't scientific, but now that FaceTime has some real competition from the biggest name in video chat, we thought we'd do a quick comparison of the two. We know there are other apps out there, but since these are by far the most well-known, we're just covering these for now. For frame of

There is an endless list of apps that allow you to make video calls with your iPhone 4, and aside from Apple’s FaceTime, most of t hese are also compatible with the 3GS, but it can be quite awkward to video call without a front facing camera.