Can the iStimp Improve My Golf Game?

Anything that helps me with my golf game I'm all ears. My putting is the most consistent part of my game would it be better with this stimpmeter iPhone App. The iStimp is defintely a golf geeks dream see Pace Turf's review below.

Pace Turf - The iStimp: For better or worse -Their Review


The iStimp seems interesting I worry about the time involved for a golfer to get a measure of the green speeds at a course but for .99 cents I'd give it a shot.