Terrible, apps is a total scam. Does a bait and switch on you if you use at the rstuarant. This has happened too many times now. Go to restuarant. Go to app and use the coupon.... app spins it's little wheel and then dissapears... coupon gone now. Yet no qr code pops up. Restaurant can't process code cause they can't see the qr code. Wendy's need to fix their terrible app. Or better yet don't go to Wendy's so you aren't disappointed and get frustrated.