Uber Eats is disgusting!!!

I am totally disgusted with this app, I orderd 2 x double cheeseburger MEALS!! By the section where you have to choose size, it only gave me the option for "burger only", if I dont choose burger only, I cant go further with the order. So they delivered 2 x small burgers which I paid !!!!!R194.00!!!!! for. I Wish I can give ZERO stars