Boston-built RedPint launched this past October with a social beer app for the iPhone, helping you spread the word about great craft brews and have fun knowing what your friends are drinking, too. Just yesterday the company announced partnering with five area breweries, which offers you the chance to win lots of free swag.

With RedPint, you can share what you’re drinking along with where you’re drinking it (Foursquare integration coming soon according to cofounder John Vajda), who you’re drinking it with, your review, and even a photo. As an additional engagement layer, RedPint offers medals that you earn for things like drinking specific craft beers, going to craft beer tasting events, and – of course – drinking craft brews frequently. With a growing user base, it is through these medals and by targeting bars and breweries that specialize in craft beers that RedPint aims to monetize the app.

Yesterday the company announced partnering with five new and well-known breweries for medal promotions (pictured below): Allagash Brewing Company, Dogfish Head, Flying Dog, Great Divide Brewery and Notch Sessions.

Each medal has an associated contest for free swag from these breweries, which means you can win free goodies just by drinking good beer and using RedPint. All you need to do is tag and review the beer, share that to Twitter with brewery-specific hashtags, and also share a photo of your beer and your review on RedPint’s Facebook wall. The promotions run from March 15 through April 15, and here are more details for each brewery involved:

• Allagash Brewery : Swag giveaway for Allagash bar towels, glasses and hats. Twitter hashtag: #Allagash. Learn more here.
• Dogfish Head: Swag giveaway for DogfishHead pint glasses. Twitter hashtag: #DogfishHead. Learn more here.
• Flying Dog: Swag giveaway for Flying Dog bottle openers and pint glasses. Twitter hashtag: #FlyingDog. Learn more here.
• Great Divide: Swag giveaway for Great Divide T-shirts, hats, and stickers. Twitter hashtag: #GreatDivide. Learn more here.
• Notch Sessions‘ promotion actually started running already to coincide with the brewery’s bottle release party here in Boston March 1st. The North Sessions swag giveaway runs through March 31st and can win you free Notch pint classes. Twitter hashtag: #NotchSessions. Learn more here.

iPhone owners can download the RedPint app directly here. Interested in learning more details about how RedPint was developed, how their app works, and their founder’s story? Make sure to check out our original interview and full product review. “Social Beer App RedPint Launches, Spreading that Good Craft Beer Love.”