I am not sure what's the whole point of this plugin when all you're trying to do is sell me the pro version. If that's what you want, then submit the plugin as a premium paid plugin.
I was happily changing settings but bumped into the form builder section where it doesn't allow me to change any text on it. WTH ? Which form builder doesn't allow changes and you're forcing $50 down my throat just for the ability to change text and add lines.
Previously a review says this being crippled and misleading, your screenshot shows things that aren't available for free. The form builder is not editable so why even show it? And also the shot with coupon code.
In fact i was so disappointed and mad, that i would create 100 accounts just to flag this 1 star.