Question: free things to do on your birthday in san antonio?
Answer: Amy's Ice Cream. Join Amy's Ice Cream reward program and get a free ice cream birthday gift.
Applebee's. When you sign up for Applebee's email list, you get a free treat on your birthday.
Au Bon Pain. ... 
Auntie Anne's. ... 
Buffalo Wild Wings. ... 
The Cheesecake Factory. ... 
Cold Stone Creamery. ... 
El Pollo Loco.