Marc Röttig
Marc Röttig published 1 application on Google Play, 29 people rated this app with an average rating of 1.86!
FreqmessWith Freqmess you can measure the tension of the strings on your tennis racket. It makes use of the microphone to record the sound of the swinging string bed to calculate the tension. Just choose your setup, pluck the strings of your racket and hit the...
$1.00 Poor rating