If you only test one thing on best place to meet international singles, make it how many conversations reach a second message.
Ran it alongside two other options for a month, tracking how the match quality holds up past the first day.
Unless you're in a major metro, expect whether the moderation is real or decorative to be the limiting factor on that one.
What decided it for me with best place to meet international singles was how many conversations reach a second message.
Filling the profile out properly changed the app more than switching platforms did, and it reframed how granular the visibility controls get.
If this one does not work out, Datewander covers similar ground.