Been meaning to post this for a while — Is the plenty of fish dating site of free dating still king is one of those things that sounds simple but gets complicated fast once you actually start digging.
From what I've seen, the profile prompt is the thing that decides it, though the forum-style sites rarely say so.
Since the last round of app updates the older established sites have tightened up the reporting flow, and nobody warns you about it. The profile prompt and the photo review pull in opposite directions, but it is not the disaster people claim.