Speed Radar On Your Smartphone

My son plays baseball and soccer and the teams dont have speed tracking devices yet. ; Think it will be interesting to track my sons pitches ; Another useful instrument powered by my iPhone ; My Son plays base ball and the current price of radar options is way more expensive than this and it ; Looking for a solution to help track pitch speed in baseball ; Looks innovative ; Ive been looking for a while for a more affordable speed radar. ; Its something I would use all the time being a coach of multiple sport teams ; Coaching and being able to use a radar easily ; I coach travel softball and the price was attractive. Worried about power usage during tournaments, ; Price was competitive for a sports radar, as a baseball family i appreciated the accurate feedback a ; Because my son loves soccer and it would be a nice gadget for him, to measure his speed. ; Convenience, size, price ; cheaper than pocket radar ; Looked interesting ; Ive been considering softball training aids and radar options more specifically for some time and th ; I have two tennis players in the family, they both would like to work on their serve. work on their ; I like the idea of a pocket size radar at reasonable price. ; Use the device to measure the speed of my tennis and Pickleball strokes. ; It sounds pretty cool ; want to use it to slow traffic down in our nieghborhood ; I am looking for a device like this ;