ITS PRETTY ACCURATE,MY BUDDYS TRUCK RAN A 15.5@90 AT SAR,AND RAN 15.5@89.6 ON I-PHONE,ITS FUN TO HAVE,SO IF YOU GOT A I-PHONE DOWNLOAD THE SOFWARE.THIS VID MADE ME GET ONE.
YouTube - iPhone Dynolicious Software Better than G-Tech? -Garage419 I SAW IT HERE