VXDIAG VCX SE vs Openport vs SM2 for PCMFlash

Question: 

I was confused between vxdiag vcx se and scanmatik pro 2 (SM2).  Which one should I incline towards because i will have pcm flash as plus for reading and writing ecu’s?

Vxdiag Vcx Se Vs Openport Vs Sm2

Answer:

Related reading:

VXDIAG VCX SE or Openport 2.0 for MB Xentry Passthru?