Shopify to custom xml app

Hello i would like an app that create an xml for my shopify shop. I want the app to have the following fields: Unique ID --> SKU Title --> Title Link --> Link of the product Image --> Link of the image Category --> Type Price --> Price Instock --> Y if available N if itsnt Availability --> the text "Σε απόθεμα" Category ID --> Category ID Manufacturer --> Vendor Description --> Description Weight --> Weight Shipping --> Empty Field My budget is 50€ and i cant exceed it, so if you offer is more than 50€ dont bid. Thanks in advance