If you're a July baby, this promo is for you. If you download their app and sign up, you'll get a tasty treat for free, no purchase required.  To sign up on the Crumbl App: Under “Loyalty,” tap “Earn Free Crumbs,” then “Join birthday club,” then add your birthday.

Crumbl cookies are an elevated dessert experience. Each week, theirmenu rotates to give you 6 deliciously gourmet flavors to experience.