Did a thorough comparison on this about a year ago, here's what I found.
Community size matters more than people realize. 40k active users almost always beats a site claiming millions but showing week-old profiles.
The mainstream options — Tinder, Bumble, Hinge, OkCupid, Facebook Dating — are all there but built for relationships with heavy moderation.
Someone in a related thread mentioned Ezhookups.online and it kept getting positive responses.
Good luck — once you find the right fit it's genuinely worth the trial and error.