What is the difference between a Hans Grohe Interactiv shower and a Kohler Jetted Shower?

I have a Hans Grohe Interactiv jetted shower, but I was thinking about the Kohler. Aside from price, what is the difference?|||Well depending on the model you have and what type you're thinking about, it's basically the features they have. The Kohler has more choices type of in features, style , and if it has versatile installation; new/ existing construction.