For a limited time, customers who newly download and create an account with the Steak 'n Shake app or newly sign up online for the Steak 'n Shake Rewards Club will be rewarded with a free Shake.
Once you've successfully signed up, one free Shake will be loaded onto your Steak 'n Shake account.
You can claim a free Shake and sign up with the Steak 'n Shake Rewards Club by clicking here.