Does the pro version …

I haven’t tested with buddy press but the pro version offers both auto opening modals as well as forced user logins.

Any features not there can most likely be added quickly.

What do you mean by forced user login? I didn’t see any examples of it on your site. Do you have a demo?

You have a customer if it prompts not logged in users to login/register, and leaves logged in users alone.

Correct. You can enable forced login sitewide or on individual pages and posts. Once logged in modal doesn’t get loaded.

You can also choose auto open and exit modals the same way sitewide or per page.

The site is only about a month old and we are still working to get all the features, demos and support functionality built in. When finished you will have a full support area accessible only to paid users which will include advanced usage samples and support tickets.