There is such a machine for apples. The apple, either dessert or cooking, is attached to the stainless steel prongs, the handle is turned and the apple is peeled, sliced and cored in seconds.
It can be used just for peeling the apple and works well with potatoes. The moving parts are stainless steel and easy to clean.
The apple machine, ref KU047, costs £23. Call 01202 621472 or order online from www.decuisine.co.uk.