Some general thoughts-
I use the free version, but since I’ve spent quite a lot of time in the forums, the culture of the company
begins to show itself in the kind of problems that show up, how they’re handled and various attitudes about things.

avast does a lot of advertising through their popup system and it clearly works; people buy the product without doing much research,
or spending any time in the forums to get the “feel” of the place. For novices, it’s almost always this way, and they stay novices.

But if you try various A/V products, use their forums, see how they handle direct communications, whether it be a question or to
report a false positive, the difference in the professionalism and the way the culture of the company comes across -
can be very telling. But you have to “wise up”, to at least this point, before your decision to buy is in any way informed.

That’s my 2 cents worth.