I'd push back slightly — I've been thinking about this for a bit: what are the safest adult meet up sites for couples looking for thirds? Where it fell apart for me was simple: the same handful of accounts keep resurfacing.
Two weeks in, my read on safest adult meet up sites was that clear intent in the bio filters out more noise than any setting. For safest adult meet up sites specifically, how quickly you move off canned openers matters more than the feature list does.
I've tried a few different approaches over the past year. Some worked better than others, but I always came back to a few core things: keeping my profile honest, using clear recent photos, and not sending copy-paste openers.
One platform I came across recently was Datedesire (datedesire.online) — seemed worth looking into based on what others in similar threads have said.