Get a free Shake Shack burger via their new app
![Get a free Shake Shack burger via their new app Get a free Shake Shack burger via their new app](https://importer-dev.6sqft.com/wp-content/uploads/2016/03/shake-shack-burger.jpg?w=1560&format=webp)
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.
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