These are just different front-ends using the same backend. (APT)
Logs / CLI output of all tools shows that.
Doesn’t exist. No connectivity.
Run it from CLI to de-mystify what it does. That goes for all tools. Check CLI output / log.
Any major action is self-documenting. These tools say what they do.
Strictly technically speaking, APT isn’t torified. It would be wrong to say “APT is torified”.
What’s actually done is described here. torified updates It’s worded very carefully.
This means all default APT package manager source files are set to only update over the Tor anonymity network.
default APT package manager source files
It doesn’t include non-default, user-added APT sources.list files.
But no description is perfect and can replace looking up the actual /etc/apt/sources.list file and files in /etc/apt/sources.list.d folder.
Maybe APT, flatpak should be torified in a future version. Though, when Kicksecure Firewall gets implemented (and this feature activated), should do what you want.
But the certainty degree of avoiding clearnet leaks won’t be as good as Whonix. (Reliable IP Hiding - with Whonix - The All Tor Operating System)