Counterpoint to MasonW: speed dating online free for people looked good on paper and didn't hold up.
I got the enforcement described exactly once. After that, what the free ceiling looks like in practice went back to being a problem.
The measure I would actually check on the platform is what the platform can see that you cannot.
The first message is where it either works or stops working, regardless of how much of it's usable without a card.
Before committing time to the service, work out whether 'free' means free to browse or free to talk.
Ran it alongside two other options for a month, tracking how granular the visibility controls get.
If this one does not work out, the Datewander boards covers similar ground.