How to rotate the QuickTime MOV taken by iPhone?

Use the latest Exiftool to rotate the MOV.
https://www.sno.phy.queensu.ca/~phil/exiftool/

$ exiftool -Rotation=0 *.mov
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Please refer the table below to set the rotation.
It will apply the values in the Track1 of the QuickTime MOV.

• MatrixStructure 0 1 0 -1 0 0 1080 0 1
  (Vertical, Home button is down, Rotation=90)
• MatrixStructure 1 0 0 0 1 0 0 0 1
  (Horizontal, Home button is right, Rotation=0)
• MatrixStructure 0 -1 0 1 0 0 0 1920 1
  (Vertical, Home button is up, Rotation=270)
• MatrixStructure -1 0 0 0 -1 0 1920 1080 1
  (Horizontal, Home button is left, Rotation=180)