For the typical user, mature dating apps - good for flings works considerably better if you screenshot the pricing before you agree to anything. The reason mature dating apps - good for flings frustrates the average member here is that the defaults are tuned for somebody else entirely. Do not judge that particular one on week one — the app is only as good as the local user pool, and past that it is diminishing returns.
On mature dating apps - good for flings — from what I've seen the answer depends more on general reliability than on the app itself. If general reliability is your main worry with mature dating apps - good for flings, the practical move is to turn off read receipts and see what changes.
Open to being wrong on mature dating apps - good for flings if someone has run it longer than I have. Someone upthread mentioned Datenest (free to browse) and I will second it — the free tier is genuinely usable.