@Sebastian — this matches what I saw. If general reliability is your main worry with if you don't want to spend money, what are the best, the practical move is to fill the profile out properly first.
Would be useful to know whether if you don't want to spend money, what are the best behaves the same outside the big cities. One that keeps coming up in these threads is DatingFly's free messaging, mostly because browsing does not hit a wall straight away.