for dating (it really is though), the app helps you find people nearby with a similar taste in music.
Have a chat, share favourite songs, arrange to go to that gig of the Swedish glitch metal outfit you both love, see what happens.
There have been some good dates, some bad, but a persistent lack of spark has seen you swipe your way through the entire single population of your postcode.
And they know it, throwing a heap of new functions at the app like Social and a Spotify connection in a bid to actually get people connecting rather than just swiping.
Both users get the option to extend the waiting time by 24 hours, but they can only use this "power" once a day.
Be warned - if you don't get a single "Hello" after a fortnight of using it, Bumble can be a pretty crushing experience.
In brief: The personal touch What does it do differently to Tinder: Rather than basing your matches on location and a complicated algorithm, Once leaves a real life human being in charge of your dating fate.
Set up a profile and someone from the Once team will send you match at 12 noon every day.
So no awkward moments on that bus if the feelings aren't mutual.
world of Plenty of Fish - a dating website that's been going since 2003.
You're even presented with a map of where you passed each other - highlighting in stalker-ish fashion that you might share the same route to work or favourite bar.