[explaininjs]

I did in fact follow the link. I actually went further than you, all the way to the GitHub, where I saw that it was actually just a web app. All TS.

And you can 100% load PWAs offline, which might be slightly more progressive than your idea of a web app, but I hope not overly so.

[dishsoap]

Wow, you have completely missed the parent poster's point!

Whether or not the specific app used as an example happens to be a webapp holds no relevance to what he was saying overall.