COMPARE FITGUN TO THERAGUN, HYPERVOLT AND BOOSTER MASSAGE GUN Fitgun Massage Gun Review Is Fitgun better than Hypervolt? People say that Fitgun is the best affordable massage gun in US. It uses a scientifically-calibrated combination of 12 mm amplitude with a frequency range between 25 percussions per second – 60 percussions per second, the essential range required to […]