Hotjar has a detailed pricing page where on the top you can choose your persona like are you an agency or business etc. They allow a bar to choose your sessions but the bar moves in buckets like you move from $89 to $189 plan as soon as you cross 50k pageviews per day. The pricing is mentioned in pageviews however the number of recorded sessions is not mentioned for the plans. It will depend on your avg page visited per user.