For a limited time only, you can download the Steak ‘n Shake app to score $2.99 off your purchase – the value of a milkshake! Use it to score a completely FREE milkshake! Simply use the app to place the order (the offer will appear in the rewards section). Note that this is valid for new app users only. Enjoy!
Steak ‘n Shake: FREE Milkshake (App Download)
