Check the market for other types and brands of knife sharpener, and you will notice that in order to get the best result, you have to be in control of the knife sharpener and the knife. This means the result will vary from one user to another user.
But as for the Bavarian Edge the stability they offer when placed on a work station allows you to have equal and even sharpening regardless of the blade type, size, and shape. Additionally, the action of the knife sharpener is simple and unique making the process easier and quicker.