Author here: thanks for the feedback. I will add a price range soon. The reason why it is not there in the first place is because I am thinking about site-wide

Author here: thanks for the feedback. I will add a price range soon. The reason why it is not there in the first place is because I am thinking about site-wide licenses, which are often quote-based (also for Mathematica). For universities site-wide licenses are common, but for industry maybe less so. For reference, a university site-wide license is about 6000 EUR per year at the moment.