DeSnapper is a GUI program for snapper writed on Python and Qt for Debian-based systems. It have all snapper features plus useful diff but except rollback (don't work on Debian-based systems).

sudo dpkg -i diff-match-patch.deb
sudo dpkg -i sxsdiff.deb
sudo dpkg -i desnapper.deb
sudo apt install -f

Also you can install DeSnapper-btrfs module for btrfs qgroups support

sudo dpkg -i desnapper-btrfs-amd64.deb # example for amd64
sudo apt install -f