Get a free Shake Shack burger via their new app

January 23, 2017

Even when all hope seems lost—there’s nothing like a free cheeseburger to raise morale. Shake Shack is celebrating the launch of their new iOS app by giving complimentary ShackBurgers to first-time downloaders. The offer is valid at all U.S. locations, with the exception of ballparks and airports, now through February 28th.

FULL DETAILS AT METRO NEW YORK…

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