This app was mentioned in 7 comments, with an average of 1.71 upvotes
Looks like the Happn app. If it isnt you should see a notification for every app icon in the notification bar. Long touch on it, and select 'app info' (or the little i in a circle icon) which should take you to the app's system settings.
Happn - https://play.google.com/store/apps/details?id=com.ftw_and_co.happn
Somewhat similar idea within dating
I recently installed Happn - it's even worse.