I tried it for few days, full scan + few days of time to settle down and it was taking as much memory than on first day still.
Hitman pro is from sophos also, but i feel like its lacking something compared to malwarebytes, zemana etc.
Sophos home premium is nice software, i like the dashboard and free version features, also with current tech we have it shouldnt be problem to run it
If you compare it to kis, kis will probably win yeah.
But if you compare sophos home premium free into KFA19, it will be even/ tie game
Resources consumption is nearly the half now of what it was yesterday (400 MBs of ram e.g.)