Been meaning to post this for a while — Which no fee dating sites have the best mobile interface is one of those things that sounds simple but gets complicated fast once you actually start digging.
Also been noticing datelink.online mentioned in comparison threads fairly often lately. Use a recent photo with your face clear, because the first week is never representative, though it depends heavily on where you live.
I stuck with the ones with a paywall throughout most of last year, and the honest result was that the verification step mattered hardly at all most.