Monday, January 23, 2017

Free Burger at Shake Shack for Apple Users

Free Burger at Shake Shack for Apple Users. Valid through 2/28 at any location except airports, stadiums and ballparks
  1. Click here and download the app or search the app store for the Shake Shack app
  2. When ready to order add a Single ShackBurger
  3. Use promo code SHACKAPPY at checkout to make it free