I’m very happy with my MaxProp. It’s not as persnickety as the AutoProp about growth. I service it at every bottom paint job when I change the shaft seals and WOB.
They make a model that can be repitched in the water. It’s a lot more expensive than the standard model that you have to haul out to repitch. I had to do one quick haul to repitch when I reported with the Yanmar.