When comparing QuickTime vs Snagit, the Slant community recommends Snagit for most people. In the question“What are the best screen recorders for OS X?” Snagit is ranked 1st while QuickTime is ranked 4th. The most important reason people chose Snagit is:
Allows you to adjust the capture, add captions and symbols (arrows, boxes etc).
Specs
Ranked in these QuestionsQuestion Ranking
Pros
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.
Pro Includes an image editor
Allows you to adjust the capture, add captions and symbols (arrows, boxes etc).
Pro Good markers for setting the capture area
Simple to choose between full-screen, window or a selected area.
Pro Can easily add annotations
The editor allows you to quickly and easily mark and annotate the screen capture.
Pro Can capture screen video
Pro Integrates with third party services
Google drive, Twitter, Facebook, email etc.
Pro Allows for delayed capture
Allows you to arrange the screen as you want it captured. Things like opening a popup menu, to have it part of the capture.
Pro Can capture editable text
Just about any text on the screen can be editable text. I say "just about" because it's like OCR software in that unusual and extra fancy fonts or text against a low contrast background may be a challenge. But overall it works in most situations.
Pro Mobile app for easily moving screenshots from smartphone to Snagit's editor
Cons
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