The best alternatives to WatchMe88 are OH BOY / OH GIRL, Hater, and Happn. If these 3 options don't work for you, we've listed a few more alternatives below.
Hater is like Tinder, but it matches people based on what you hate, not on what you love. No more missed red flags or surprising annoying habits: get it all out of the way up front.
Lobstr is a free dating app to meet new people that enables you to find single men and women near your location, show interest to your favorite profiles, and start a private chat as soon as the other one shows interest in your profile too.