Having tried a few, expecting any single conversation to work out is the wrong frame — that has been consistent for me across a few different platforms. Is it possible to find a genuine connection on a free chat now sex chat site? Would value honest answers — rather than affiliate roundups.
From what I have seen, trial periods are designed around forgetfulness, not generosity — it is the single change that made the most difference.
A month is about the minimum before judging any platform — your mileage may well differ.