Free Food & Deals at McDonald's with App - Did you know that McDonald's has a free app for iOS and Android devices? This free app is your ticket to scoring all kind of FREE Food and Discounts at McDonald's with just a quick scan of a QR code on your mobile device screen. Click here to download the app for your device then create an account. The next time you visit a McD's, be sure to pull out your app and see what special offers and promotions are available to save you money! We regularly have offers for free McDouble sandwiches when a local sports team wins a game. You may receive similar offers when teams score in your area so be sure to turn on app notifications so you don't miss out on free food.