It quickly became a smash hit, and recently sold a majority stake to a Chinese gaming company.
Download Grindr (i OS, Android) Zoosk recently had to lay off a third of its staff after being crushed in the market by apps like Tinder.
It's more explicitly focused on just hooking up than most dating apps, though it has the option to "get date" or "get down." Download Down (i OS, Android) Tinder was the app that set off the dating app craze.
Its iconic interface lets you swipe yes/no on a series of potential dates.
It has features like photo verification, which lets you confirm that your photos are actually you.
Download Zoosk (i OS, Android) Match was one of the original online matchmaking services, and bills itself as having made the most dates, relationships, and marriages.
In particular, Hinge, one of our favorites, did not fare well.