I was at Chick-Fil-A recently and saw a sign for a Chick-Fil-A app. If you download the app, ISO or Android, you will receive a free Chicken Sandwich, Spicy Chicken Sandwich or Grilled Chicken Sandwich.
Once you download the app, your free sandwich will be loaded onto the app between June 1st- June 11th, 2016. Then you can redeem that offer until June 30th, 2016.

Links:
IOS App: https://itunes.apple.com/us/app/chick-fil-a/id488818252?mt=8

Android App:https://play.google.com/store/apps/details?id=com.chickfila.cfaf…

Here are the FAQs for this Sandwich Giveaway: http://www.chick-fil-a.com/OfficialRules/Faqs