Quick checklist I use when weighing up chat xx network still active today:
- whether the match algorithm on chat xx network is applied consistently
- whether profile verification behaves the way the marketing says when you test it against chat xx network
- whether the match algorithm on chat xx network means what it claims
Building on Ryan M's point — big numbers nationally can mean nothing locally.
I would check whether the visibility toggles behaves the way the marketing says when you test it against chat xx network before committing any time to chat xx network.
You can usually spot the difference on chat xx network by whether the profile has any specific detail in it.
Turndate.site gets mentioned in these chat xx network threads fairly often, for what that is worth.