Sure, but it's still not super user friendly. You upload photos, get a 2 GB checkpoint file that you run on some obscure, sometimes hard to install programs.
I know there was a phone app that did a limited thing where they gave you profile images and they made bank. I'm a little surprised nobody has tried going whole hog, if the app stores would even allow it.
The pieces to do local LORA training are all there, but honestly the tyranny of CUDA is the biggest blocker for the average person.