Til the end of August, the plugin was working very good. Then, without any warning, the developper change the plugin, so that if you didn't have an activated (paid) license, you would not get any notification anymore when someone submit a form. 1 month after this change I didn't know about, I saw on the plugin page, that 2 people contacted me. I could only see that they contacted me 30 days ago. Could not read what they wrote me and i didn't got any notification. I had to buy the plugin to read their submission. They wanted to buy something very expensive for me. But now it was 30 days too late, I tried to contact them, but they were not interested anymore. So you should really not trust this developper, and actually they are absolutely not GPL. This free version is 100% useless. Create form, but you cant use them, what a joke!