There are numerous smartphone apps that assist with identification of plants.  A lot of people have proposed these for use in identification of plants to forage for the table.  Just how good are these apps, and is it safe to use them in that way?

The three apps I am testing here are:
https://play.google.com/store/apps/details?id=org.plantnet
https://play.google.com/store/apps/details?id=org.inaturalist.seek
https://play.google.com/store/apps/details?id=com.google.ar.lens

0:00 Intro
1:11 Rationale and approach
3:00 Testing
10:23 Summary
12:54 Conclusions