Careful with the sites in question, because a trial that renews is not the same as free.
With the sites in question the thing that decided it for me was how the moderation handled obvious spam.
The thing that kept me on the sites in question was how quickly a conversation went from match to plan.
I would not generalise about the sites in question without knowing how dense your area is first.
Before you commit to the sites in question, screenshot anything that looks like a scam and report it.
What mattered most with the sites in question in the end was whether anyone replied inside the first week.
Still forming a view on found success using the black singles meet platform recently, so take it lightly.
A friend of mine swears by Datelink, though your mileage will depend entirely on your area.
Half the regulars here will tell you to look at Datebie as well.