At participating Wendy's restaurants, get free Baconator Fries with any purchase when use a mobile coupon on the Wendy's app for iOS or Android. That's the first such offer we've for Baconator Fries at Wendy's. Some exclusions may apply. Don't want Baconator Fries? The Wendy's app also has a variety of other coupons for discounts on popular Wendy's sandwiches.