Join Club Mango and get a FREE Cup of Frozen Yogurt at your local Red Mango location (up to a $5 value)! Just enter your email address and click "Go - I Want My Yogurt." to join. Complete your registration information and a $5 credit will automatically be added to your account. You can download the Red Mango app, or look up your account with the phone number you provided during registration to redeem your credit.