Looking for a yummy lunch or happy dinner? Shake Shack is offering a free burger to anyone who downloads their iOS app, makes an account, and uses the promo code “shackappy” at checkout.
How to get free burger:
- Visit the companies website by clicking “Get This Offer (External Website)”
- Download the iOS app here.
- 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.
* Redeemable until February 28,2017 at any US location excluding airports, ballparks, and stadiums.