I hope your pricing model ($100-$300/month) is meant as a joke, and you're not really serious about it. It's extremely expensive. I can drag and drop text boxes in google docs just fine and it's not costing me a dime. The added productivity would be worth it if I was doing this all day long, but it's not the case (as a software engineer).
Ignore this feedback. You have validated that customers will pay what you're charging, which means what they're getting is less valuable than what they're paying. Keep it up!
I think the feedback you should get from that comment isn't that the price is too big, but that the pricing page may not be as clear as you think. I.e. you never intended that dev to pay 100$/month but he/she took it that way.
I think this is a great execution of a time consuming problem, good job!
Consider repricing to $99 and $299, respectively. It seems like a cheap trick but (a) it's been shown many times to work, and (b) especially with the former, you may just put yourself inside someone's purchasing limit.
But requires "royality free" distribution. so charging per month and limiting to internal use only for self hosted product isnt in agreement with the licence.