There is another type of package that Ubuntu uses called snaps.  They can be installed in the software center, and you might have already installed some without knowing it.  If you search for a program called "handbrake" you will see that there are two options.  One is a snap.  How to tell?

https://ubuntuforums.org/showthread.php?t=2389474

What is a snap?
https://discourse.ubuntu.com/t/snappy-vs-apt-packages-on-ubuntu-18-04/2472/7