Chick-fil-A is offering everyone a FREE Chicken Sandwich! Download (IOS or Android) or open the Chick-fil-A app and play the Code Moo game to find the cows in three separate geographical locations. Your free reward should pop up right away or look under the “My Rewards” section. Note that you may delete the app after you redeem your freebie. This offer is available for the first 2.5 million customers only and valid for 7 days only. Enjoy!