The support group is very responsive.
**FYI - this module will help to keep spam registrations down if used as the sole login agent. check to be sure other modules are not allowing access to the standard joomla login. I had Kuena board allowing this. I have since disabled it.
Basic free use allows 5000 users. very generous!
Would have marked it excellent; however, it appears like the analytics portion of the service is still a bit wonky.
We still plant to keep this extension deployed on our website.