He confirms he could do an iOS port: https://mastodon.social/@andyq/114738867580032204

I've had several banking apps (and I believe one airline or hotel booking app as well) scan my ICAO passport as part of KYC, so this is definitely a thing.

Much preferred over the usual "send us a photo of your password as a means of authentication".

I only have Linux (and Android) to test on. Please report back if it works on other OSes.