If budget is tight, RE:Vision offers a fully functional 14-day trial. Use that to test v6.4.4 before purchasing.
Launch After Effects, Premiere Pro, or Resolve. The effect will appear under RE:Vision Effects > RSMB or simply as “ReelSmart Motion Blur” in the effects bin. ReelSmart Motion Blur RSMB v6.4.4.zip
If you want, I can: