i have the Hex-V2. Not sure the difference but mine is vin limited to 3 cars. That being said my brothers mk4 jetta never vin locked to it so i still have 2 spots open. I think it only vin locks newer cars for some reason. It tagged the mk6 gti. and im sure if we plug in his 15' GLI it will tag it too.
That being said im pretty sure all the old ross tech stuff was unlimited vin. but i dont know they dont advertise any of their old stuff anymore.