Beauty Apps We Wish Existed

Illustrated by Ly Ngo.
One thing we're not ashamed to admit here at R29? We love us a good beauty app. We're on our phones pretty much all day anyway; why shouldn't they offer us some beauty advice?
But, while we love the technologies that already exist, there are more than a few holes in the beauty app market. So, we got to thinking — if we could invent any beauty app, what would it look like? We answer exactly that question ahead, with 11 apps we wish existed. Read on, and then tell us: what beauty technology would you like on your phone?