(I'm a mod here) - it's fine to talk about paid features, as long as it's clear which ones are paid and which ones not. The only thing that wouldn't be fine is

(I'm a mod here) - it's fine to talk about paid features, as long as it's clear which ones are paid and which ones not. The only thing that wouldn't be fine is to post a Show HN with no way to try the product out (https://news.ycombinator.com/showhn.html https://news.ycombinator.com/showhn.html) and you're fine on that part.