I think your support for your plugins will be bad. I sent you an email without any feedback.
A vendor responded to this review
Hello Dear Tarekmahran
We apologize for the late response. We are happy that our plugin interests you. We aim to provide the best we could for our customers.
Regarding your request about a trial version, unfortunately, we are unable to provide a trial version for this plugin but we have prepared a demo version for you to test the plugin. We hope this will help you to make your decision.
Demo Link: https://hypernop.com/confirm-vendors-products-plugin-guide
With best regards.