Same as Garrett, with one difference. the honest tradeoff with poly dating is the subscription question against convenience.
If how far the free tier really goes is not sorted, poly dating will not go anywhere.
In practice, poly dating lives or dies on the money side of it. Nobody warns you that poly dating depends so heavily on how careful to be.
I would put the caution people forget above almost everything else when it comes to poly dating. If how much to share early on is not sorted, poly dating will not go anywhere.
Most of the frustration with poly dating traces back to where the charges start. That is roughly where I landed on free poly dating sites for people looking for a third.