Another device that attaches to a shaft and sends swing data to a smartphone. As well as giving a 3D swing view, it offers checkpoints and alerts to help you improve. There are drills to work various parts of the swing, including tempo, clubhead speed and swing path.
GM verdict: The clever calibration makes it easy to set up. Information is presented in a great app that looks superb. The swing checks are helpful if you're trying to work on your game without a coach. But... the device can't be used to analyse the putting stroke. PGA pro verdict More detailed impact information would really help anyone looking to coach with this. It's easy to set up, and produces quick results. Test team rating: Performance: 4.5/5 Visual appeal: 5/5 Innovation: 4.5/5 Value: 4/5 Overall: 4.5/5