Mcdonald'S Buy Get One For $1 2024. Get free medium fries on any $1+ purchase, only in the app.* order ahead to save time or use your deal at the restaurant. For a limited time, you can buy one select menu item at regular menu price and get a second one of equal or lesser value for a dollar more.

Check out mcdonald’s’ 15 second tv commercial, ‘buy one, get one: You can find it online at: