This is pretty cool. It seems really aimed at one use case which most audio editors don't do. The interface looks slick.
I can't easily test it now, but since it's not listed, I suspect limiter / compressor / noise suppression is not implemented? Those 3 would likely be the filters people expect the most for voice recording. (maybe also deesser)
Also I believe Audacity is planning to do non-linear editing soon, so it may take over a lot of that use case.