Lightbox Comments plugin is compatible with all lightbox effects available in Reponsive Lightbox & Gallery, free and paid.
WP Comments integration
Lightbox Comments has seamless integration with the WordPress comments system – it uses the discussion settings of your WordPress site, including who can comment and when.
You can easily customize the look of Lightbox Comments to match your site – change the primary color, select light or dark theme and position of the comment box.
Additionally, thanks to Conditional Logic feature, you can control on which pages and for which users the comments box will be displayed.