It can't fail to work. Certain places can even make for good ice breakers. This one applies to all dating, whether on- or offline.
Alphabet Inc. However, I found the app confusing to use, with too many features and too many gimmicks. It's easier to break with a Facebook friend than a real friend; the work of a split second to delete a mobile-phone contact. Shi had profiles on just about every site.
We cannot stress enough how much time you save by establishing early on what you're looking for. What could've been a great date that'd save you from spending more time on these awful apps is instead a total waste of your already limited resources.