Thanks!
Somehow I think, the important addition could be over google reviews are the filtering options. So you could maybe filter zaps for accounts:
* with more than n reviews
* with certain posted notes
* with certain received zaps
etc, that could help you to filter out the noise.
Or maybe only go for zap count. So if something is zapped by multiple people even low zaps, could be as good as or even better with 1 big zap. And somehow if it is based on Nostr, I feel that the power of community, the power of open sourceness, the power of free market, could help to converge to a good new app. At least in my mind this could be a new app, that is only for reviews.