It’s trickier than ever to know what a photo really is — and when AI and processing turn a photo into something else entirely. Google, Samsung, Apple, and others are making it easier than ever to tweak photos to your liking, combine several mediocre shots into one great one, or add or remove things — including yourself — in your photos. Many of these features are cool, but is the resulting file really even a photo?

One of the iPhone’s best camera apps is going completely the…