Thank you for the feedback!
Five stars – it’s the highest mark on wordpress.org
But I notice in your review that “backend could be a little better integrated”
specify, what do you mean? As UX / UI in Popup by Supsystic developed years ago and we’re trying to improve it. In this case your feeback of popup setup, popup stylization is very important for us.
If you have several minutes – send me a note through the contact form