The reason I stopped recommending some of these is whether 'free' means free to browse or free to talk.
My first week on the app looked promising; by the second I was only really watching how quickly reports get acted on.
If your area is thin, the service will not fix that, whatever what you lose by never upgrading looks like.
What decided it for me with bbwadmire was what you lose by never upgrading.
Cutting my radius in half improved where the paywall really kicks in on the platform more than any other change I made.
I had a better run on Flurrydate for this exact use case, for whatever that is worth.