Fishaways Fonteinbeau

I placed an order at Fishaways Fonteinbleau via the Uber eats App, I ordered 1 good life meal (R52.90) and 1 regular hake meal with roll (R32.90), the good life meal was fine but in the regular hake meal there was only hake, when i called them to find out what happened with my order, i was told that the Uber App had outdated prices, the current price for the regular hake meal is R37, but whose fault is it? why didn't they call me as a client to tell me? when i asked how much their hake costs, they said R28, so where is my change? ..........this was rather a poor service!!!