That is a fair point, and one easily forgotten by non-app users like me. For now I added this note in the introduction:
I also put a note next to the mention of the Withdraw button. If you see other specific references that could be especially confusing for app users without further notation, definitely feel free to point them out.
I would be curious to hear from others who do most or all of their identification work via the apps. I am pretty clueless about what the process looks like there. That said, though, I want to keep the focus of this tutorial more on the principles and etiquette of being a helpful identifier and community member, and not so much on the mechanics of identifying on different platforms.