Blur Parts of an iPhone photo

In Edit Mode, you should have a Re-Touch tool. (I'm being tentative, because in newer iPhones that has been replaced with an AI tool called Clean Up, and I'm not sure I'm remembering well.) The Re-Touch tool takes away blemishes and such things, and you should be able to use it to smudge license numbers.

Let us know how this goes…

Like this on a Mac:

OT-- Good, I just noticed the

and didn't realize he asked about Macs, too.