When comparing MplayerX vs QuickTime , the Slant community recommends QuickTime for most people. In the question“What are the best video players for macOS?” QuickTime is ranked 5th while MplayerX is ranked 6th. The most important reason people chose QuickTime is:
Unlike other video players, QuickTime offers recording and editing opportunity. To unlock this features QuickTime Pro 7 is required, which is a fee-based software (29.99$). Program features include possibility to record video and audio directly from microphone, FireWire camcorder and iSight camera. Speaking of video editing, cutting, deleting, resizing, flipping, or rotating a movie is possible.
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Pros
Pro Pleasant Mac Style view
MplayerX fits in OSX environment perfectly with it’s hot keys and plain, but stylish design, giving pleasure to work with
Pro Players “memory” of a last reproduced file
If turned off, player will start file reproduction from exact spot it was interrupted on
Pro Smart-play or automatic next video file search
For example, if number of files with sequent names are mashed up and thrown in the playlist, MplayerX is able to reproduce them in right order
Pro Smart multi-touch control
Convenient track pad commands, that allows user to toggle full screen, change frame size, aspect ratio and volume. To learn more, watch an easy and understandable "how-to" youtube video in the sources.
Pro Compatibility with other Apple products
File reproduction can be controled with an Apple remote, that awards user with more freedom. Furthermore, dirrect pass through is possible. Start streaming, connect and enjoy your home theatre
Pro Softwere was designed specially for OS X
As OS X is the only supporting system, the amount of bugs and problems is minimized. This also means, that player can play .m4p, .mp4 & .mov video files.
Pro Recording and editing is possible
Unlike other video players, QuickTime offers recording and editing opportunity. To unlock this features QuickTime Pro 7 is required, which is a fee-based software (29.99$). Program features include possibility to record video and audio directly from microphone, FireWire camcorder and iSight camera. Speaking of video editing, cutting, deleting, resizing, flipping, or rotating a movie is possible.
Pro Easy to use streaming features
QuickTime video player has "Zero-configuration streaming" - video player automatically determines best connection speed. Plus, it can automatically reconnect, if the connection was lost. Step by step video file stream or broadcast guide can be found in the source.
Pro Screen recording is a easy
Pro Elegant look and comfortable interface
QuickTime is developed by Apple, which is known for its plain, but gorgeous and user-friendly design. QuickTime is included in the list of default programs on macOS systems, so it is a good free option for beginners and users who love style and comfort.
Pro Posh smell
Look up Posh and see if you think a software movie player should be POSH. What a hoot.
Cons
Con System crash is more frequent
MPlayerX creshes occur more often than in usual video players. They should be tackled properly.
Con High CPU usage is possible
Sometimes after the player or OS X update file reproduction can demand a significant part of CPU usage
Con No proper playlist feature
In spite of easy and comfy smart-play, in general playlist isn’t user friendly
Con No retina display support on old OSX
MPlayerX does not support retina display on OS X older than Mountain Lion, but amount of Mac’s with older OS X are quite rare nowadays
Con Video player can interfere with other software
Leaving QuickTime's video player running in background doesn't play well with certain software, especially games and full-screen software.
Con Some common video file formats are not supported
QuickTime does not have native support for some common formats such as DivX, .wmv, and .mkvs.
Con Can't play .srt subtitle files
Con Crashes after OS X update
Sometimes after an OS X update, if the video player wasn’t updated for a long time, QuickTime can crash for no reason