Is there particular criteria you have? It sounds like The Wirecutter staff thinks it’s a quality product, just that the IQ Air is expensive.
I would be a bit skeptical of Molekule for now. I don’t have direct experience with the product, but collected some opinions from elsewhere on the internet.
That thread also has a couple of alternative recommendations. If you don’t need a charcoal filter for VOCs, I’m a big fan of the Coway lineup. You might consider checking out the full review of the Airmega 300.