Does not always work at all locations
Have had app coupons refused twice, in two different locations. In both cases, the cashier agreed the order met the e-coupon requirements, but the register refused the coupon, so they would not honor it. Blamed it on McDonalds corporate and indicated there was nothing they could do, very frustrating.
Just the same the app has it least functioned since I installed it last December. However the recent macOS update to 10.3.3 has made this app completely unstable on my iPhone 7+. It will open and then immediately crash out. Now its not usable.
JetTurbo about
McDonald's, v5.5.1