The Potbelly Sandwich Shop is giving away FREE Sandwiches to all first-time mobile app users! Simply download the app (iTunes or Google Play), add a payment method and your freebie will show up in your "perks" tab within 20 minutes. This offer is valid for 1 original, skinnys or flat sandwiches - up to $8 value!
This freebie is valid for a limited time only.