Untappd is a geosocial networking service and mobile phone application that allows its users to check into beers as they drink them, and share these check-ins and their locations with their friends.
Untappd includes a functionality that allows users to rate the beer they are consuming, earn badges, share pictures of their beers, review tap lists from nearby venues, see what beers their friends are drinking, and suggests similar beverages. In 2016, an updated version of the application allowed users to find a beer by scanning its barcode. It allows users to hail an Uber directly to the venue they'd checked into.
At present, Untappd can share checkins with Twitter and Facebook accounts of its users, and can pull in locations from Foursquare.