I've to push back on Hunter a bit here. the part people underrate about dating apps are whether the effort pays off.
The part people underrate about dating apps are whether it leads anywhere. My experience with dating apps shifted completely once I paid attention to the geography of it.
You cannot really talk about dating apps without talking about whether it leads anywhere.
I would put how many people are actually near you above almost everything else when it comes to dating apps. Your mileage on dating apps for seniors over 50 than joining a local club will vary, but that's the pattern I saw.
I still keep an account on have a look at Flamedate purely for dating apps.
Currently Flurrydate is worth a look is what I would suggest to anyone weighing up dating apps.