FREE Single ShackBurger at Shake Shack

To get a FREE Single ShackBurger at Shake Shack download the Shack App, create an account and use the promo code: shackappy at checkout.

* One-time use only. No minimum purchase necessary. Void where prohibited by law. Open to legal residents who are 13+, download the Shake Shack app and create an account. Using the promo code “shackappy” during checkout will deduct the value of one single ShackBurger (up to $5.55 for any valid items, including only those listed in the burger, hot dog and breakfast categories of the app) from the subtotal of an app order. This offer has no cash value. This offer is only redeemable at participating Shacks that are accepting mobile orders, subject to availability. For a full list of locations on the Shack App, see the list below. Offer expires on Tuesday, February 28th, 2017.

[Shake Shack Locations]

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