The app I'm working on, Polar (https://getpolarized.io/) is a cross platform document repository. The Windows and MacOS builds are pretty straight forward.
But with Linux I now have Appimage, deb, rpm, snap, flatpak, and of course tar.gz (but maybe that doesn't count).
I haven't used Flatpak but Snap is quite annoying and it was one of the reasons I switched from Ubuntu to Debian. Even if you unininstall snapd in Ubuntu 18 you are still stuck with the annoying mount points. That and the auto-updates.
For some reason the application is not automatically in my path after installation. That’s enough for me to go back to apt, and unfortunately Polarized is collateral damage.
I preferred installing from a ‘repo’ which updates my software automatically, something it seems that your deb does not do.
Wow, tough customer! I have resigned myself to the need to do the equivalent of `dpkg -L | grep /bin/` to discover where the binaries are.