MOV vs MP4

MOV is a computer file format used natively by the QuickTime. The format specifies a multimedia container file that contains one or more tracks, each of which stores a particular type of data: audio, video, effects, or text (e.g. for subtitles).

MP4 is a part of MPEG-4, is standard developed by the Moving Picture Experts Group (MPEG). As a container format, MPEG-4 files uses separate compression for audio and video tracks. And .mp4 files are often used for uploading video on streaming website.

Summary:
MP4 is more popular for portable devices like android smartphone, MP4 player, etc than MOV.
Both MOV and MP4 are lossy formats which sacrifices quality for file size
MP4 are better for streaming website for uploading or sharing website.
Saving your file to either MOV or MP4 would result in the same video if you use the same codec
MP4 is the industry standard and has more widespread support than MOV

Other Comparison: MP4 vs FLV / MP4 vs MP3 / MP4 vs VOB / MP4 vs SWF / MP4 vs WMV / AAC vs MP3 / MP3 vs WMA / AAC vs AC3

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