I keep going round in circles on korean dating website of choice for locals in Seoul and I'd rather ask than guess. The locals sites angle is worse, because nothing improves until you keep a note of what you actually spent. For locals in particular, the time it takes to get a first reply collapses as soon as the platform buries the cancellation flow.
The locals sites case is instructive — it is worth checking how fast moderation responds before you look at the number of features listed. Nothing about locals changes the fact that you get further if you log the times of day your messages get answered.
Locals is where I would start, since how often the same faces reappear matters more than the price tag. The part of korean dating website of choice for locals in Seoul people underrate is that the practical move is to keep the conversation on-platform until you have met. Numbers on locals sites appreciated if you kept any.