The main operating difference is that, you need to record a movie by the camera or other iOS devices, while the latter choice only capture desktop activities on Mac. It is similar with QuickTime screen desktop capture.
To capture screen record videos on Mac, you need to turn on webcam. Facing specific requirements, you can get your answer below. But in some cases, it is also common that you just need to get QuickTime screen recording no voiceover and other mixed audios, or pure audio records. In these situations, the most frequent way is to capture video and audio simultaneously. In most cases, people just use screen recorder to record streaming movies, Skype calls, presentations and gameplay. Thus, to lead people to record screenshots and tutorials easier, I have organized tips to use QuickTime screen recorder. Some people may not know that you can edit screen recording of QuickTime too. Just prepare a lightning cable, and then link it with your Mac, to start QuickTime screen recording. In addition, iOS device users can do the same thing too.
Therefore, it is a nice idea to capture Mac screen activities with QuickTime. And you can find that there are quite good screen capturing filters in QuickTime.
As you know, QuickTime Player is the default Mac media record software for totally free.
