Undoubtedly the most popular casual dating apps out there today, Tinder is the perfect place to find a quick hookup. Down has more than 2. If you want the magic of a meet-cute alongside your one night stand, Happn is a good bet. One-Night Stands, Threesomes, Affairs Match Sysytem: Sort profiles by zip code, appearance, more About the App: Culture Like Follow Follow. Once you turn off auto-renewal, your subscription will expire at the end of the current billing cycle.