On iPhone, turn on Settings › Camera › Grid. For talking to camera, centred framing is fine too; consistency matters more than the rule.
Director / Rule of thirds for filming yourself
Guide
Rule of thirds for filming yourself
Short answerImagine the frame split into thirds both ways. Put your eyes near the top line, and leave a little space on the side you're facing. Turn on the grid in your camera settings to help.
About Music Wide Selfie
An iPhone camera app in development for people who film themselves. Not released yet; one email when it is.
One email when the app is ready. Nothing else.