Free Medium Fries at McDonald's all month long with a $1 purchase and pay with App!

For the month of September, you can get a FREE Medium Fries at McDonald's with any $1 purchase or more!

Just show the coupon in the McDonald's app or use mobile order and pay at a participating McDonald’s.

Offer valid thru 9/30 1x/daily with minimum $1 purchase (excludes tax) at participating McDonald’s. Must add deal to bag when ordering with Mobile Order & Pay. Valid only with Mobile Order & Pay at participating McDonald's. McD App download and registration required. ©2018 McDonald's