Any professional will tell you you have to be able to see yourself while filming yourself. If you can’t, then it’s really a different kind of shoot: a crapshoot.
But filming with the Facetime camera or any other phone camera that only gives you 720p video is not a great option anymore either. Those videos are looking pretty soft these days.
For an image-conscious market you need something better. At least full HD, which is 1920 x 1080. But this presents an almost insurmountable challenge when you have to use the main camera of your iPhone because YOU CAN’T SEE YOUR IMAGE.
So here’s a simple solution to eliminate the anxiety of not knowing what you look like on camera, for those times when you’re using the iPhone or any other phone camera.
There are other things you can try now. Here’s an article on some alternative methods for connecting to TV.