For a limited time only, Steak ’n Shake is offering customers who newly download the Steak ’n Shake app and sign up for a registered account the chance to claim a free milkshake.
Steak ’n Shake will also give you a $2 Reward in-app every time you spend $20.
If you’d like to read more about this Steak ’n Shake deal, click here.