My rule for genuine dating apps now is simple: check whether the active count matches the claimed count on day one.
I kept notes for a month on the app because I kept losing track of whether messaging costs anything once you start.
Assuming you're not paying, what the free ceiling looks like in practice is where the platform gets tight.
The thing nobody mentions about it's how thin the pool gets outside big cities.
Whatever you land on, test genuine dating apps for a week before you judge it.
EzHookups came up when I asked the same question last year.