>>35915500I think they are worth it, the trials are better, some things are more streamlined, some features like SOS work better, trainers have better teams, Ultra Necrozma fight is very good. Just the plot is really bad tho some characters like Hau and Guzma are a lot better developed. It's also a better game if you are interested in Battle Spot.
RR is very entertaining but don't expect a lot of subtance, it may make you upset depending of how much you hate Kanto pandering.