I had visited several physical casinos just for the fun of it, I can say that it was harder to win in these physical casinos than the online casinos, probably they are calibrated to have a lower RTP because of the maintenance expenses since land-based casino have much more expenditures than the online casino.

In terms of transparency, it is somewhat reliant on the audit of the regulatory board and trust of the gambler since the results of the audit are not published publicly or announced to the public so no one outside the regulatory board can tell about the transparency of these two (online and physical) casinos.