Capture the size of your catch effortlessly with the PROOF BALL. Simply take a side profile video or picture of your fish with the ball next to it using your phone’s camera, then use our free app to accurately measure the length, girth, and weight of your fish in seconds, even while in the water!  Ensure minimal fish handling and the well-being of the fish. The Fishtechy App is available on iOS/Android and is free to download.