Yes like most things in life you get what you pay for and in that respect the V box should be better but from what I’ve read the Dragy is still fairly accurate and a useful tool to compare. The app. Is really user friendly and it connects and work every time worth the £120 I think.
Tested son no.2’s Fiesta yesterday after his recent head and cam work and although 0-60 was slower (traction) it was nearly 2 seconds quicker from 60-100😳 Still his Golf R and son no.1’s Honda DC2 to test once the mapping is complete on his Link ECU