My understanding is that the anki Sync serveur is only for the sync part, there is no web interface to do the review. Also, was it always free? When I looked a

My understanding is that the anki Sync serveur is only for the sync part, there is no web interface to do the review. Also, was it always free? When I looked at what was available for Anki, the remote solutions were paid only and not selfhostable. Maybe I didn't look well enough back then.