VXDIAG VCX SE vs Openport vs SM2 for PCMFlash


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


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VXDIAG VCX SE or Openport 2.0 for MB Xentry Passthru?