Basically, if you download the app and use a coupon, you can get a free medium fries once every Friday, as long as you buy at least $1 worth of other stuff.
IIRC, their drinks are $1, so that’s a drink and fries for $1. They also have a dollar menu. I’m sure this will help out a lot of folks.
McDonald’s Is Giving Away Free Fries For The Rest Of 2018 And I’m Salivating
OneLastReasonToBreathe 