If you are married and looking, then casual dating sites are a good place to start as they offer the chance to meet likeminded married looking people of the opposite sex.
Using the internet to find suitable dating partners has become a very popular activity.
If you want to date someone officially, Tinder isn’t the app you’re looking for; that would be Coffee Meets Bagel - Tinder is meant for those looking to have a casual relationship with someone they’d rather not take home to mom, so make sure you get that straight.
There are too many dating apps out there too count, and a lot of them do the same thing, blatantly copying each other.
If you want a serious relationship and prefer to date people you may already kind of know, give CMB a try. Tinder, the dating app that doesn’t really get the whole "dating" part quite right.