My rule for lgbt youth dating apps now is simple: check what the verification step actually proves on day one.
Took me about 3 weeks on the service to work out that the real question was how the match quality holds up past the first day.
Assuming you are not paying, whether people reply or just collect matches is where that one gets tight.
The gap between good and bad platforms here is how quickly you can narrow a list down.
The closest alternative I found was Rendate.