Download these essential (and free!) beer apps for smart drinking on the fly.

Happy Hours: This app’s perfect for any beer lover looking for a deal. Happy Hours locks into your location to provide a lengthy list of nearby bars featuring cheap happy hour deals.

Pintley: Tons of beer apps have a recommendations feature, but none seem quite as smart as Pintley: The app keeps track of your beer ratings and streams an ever-evolving list of beer suggestions tailored to your taste buds.

BJCP Styles: Sure, it’s a bit geeky, but respected beer fiends navigate through epic drinking sessions with the Beer Judge Certification Program’s handy app, which explains every officially recognized beer style in detail.

Untappd: This app allows users to broadcast which beers they’ve knocked back, where they downed them and what they thought via its social component “The Pub,” which also connects with Twitter and Facebook.