Download the Pinkberry mobile app at pinkberry.com to get a small yogurt with toppings on your birthday.
Join Menchie's mySmileage program and receive a $5 credit for frozen yogurt on your birthday.
Register your 16 Handles rewards card to earn points. You'll receive a $5 gift card for every 50 points you accumulate.
Register your TCBY rewards card to earn a $3 gift card for every 30 points you accrue.