Cool gadget. Why is this one better than all the other cheaper ones? There are some with high ratings like this one.
I haven't tried all of them but I will say that my $3 aliexpress one (which I bought first) felt very junky and melted to the pot the first time I used it, while this brand has stood the test of time (I have a milchig one for four years already) and works great.
It's very possible that the ones in between are good too, but I know I like this brand so I went with it. It was a pleasant surprise when I got the email about the $10 credit