What Ryan M said, with one addition: whether messaging is free changes everything.
If how account deletion behaves once you actually use free dating sites is not there, I do not bother with free dating sites at all.
Where free dating sites is concerned, cost structure shapes the whole experience.
Everything I have learned about free dating sites comes back to one thing — what the free tier actually allows is the real question.
You can usually spot the difference on free dating sites by whether the bio reads like it was written by a person.
Luvdate came up when I was researching free dating sites and it held up in testing.