I don’t know what your financial status is, but a nice Synology NAS unit is a terrific investment. I’m really happy with the one I got a while back.

Morale. Just fyi not being snooty :-)

It’s definitely click fodder like 99.99999% of today’s content. That’s where we’re at because many years ago we let the pigs into the palace.

Elementary OS, or something like Garuda or Debian with either Gnome or KDE desktops.

Exactly. And as I said in another comment, you can make a wrapper for it if their website is not the most mobile-friendly. Any browser can handle everything beneath the skin.

Well, they all have standard web interfaces, and so many apps are merely wrappers for it or a rebuilt front-end. On a Linux device one would presume you’ll have a standard web browser so all you need really is a wrapper for the website and the browser engine handles all security. Is there any reason not to just go that route?