I've had several wrong orders via JustEat. Which wasn't the problem... I have complained by the app and gotten nowhere. Refunds not given or literally ignored for over month. They seem to hide behind emails and expect you to prove beyond reasonable doubt that you were sent wrong fast food. Like a trial. I would recommend ordering with restaurants DIRECTLY if you can rather than using the app. At least restaurants are actually helpful if anything isn't right with your order - and it's cheaper.