VimoGolf is extremely helpful in visualizing your arm movement through the swing. You can visualize how your arm crosses over through the impact zone, detect and correct early casting, and find issues undetectable to the human eye. Reported data includes swing speed, tempo, swing plane, impact angle, and more.
Swing playback with ability to rotate view in any direction and look at your golf swing from any angle. No need to switch the sensor when you switch clubs. Start the app and play without any calibration. No hardware to buy, just use your Android Wear watch. Other analyzers cost $150+ Nothing is attached to the shaft, so your golf swing power and form are never affected.
golf swing trainer