Sherry put it better than I'd have. i would put the hit rate above almost everything else when it comes to pure dating. You can't really talk about pure dating without talking about the interface side.
What decided it for me with pure dating was whether people actually reply.
I judge pure dating almost entirely on what people get out of it now.
My experience with pure dating shifted completely once I paid attention to how it feels to use. You cannot really talk about pure dating without talking about the conversion from match to conversation.
The honest tradeoff with pure dating is whether it actually works against convenience. That is roughly where I landed on pure dating app delete your chat history every 24 hours.
I still keep an account on Datebound works differently purely for pure dating.