It‘s a screen record utilities, the difference is that, it is dedicated to teaching screen recording.
Recording your screen operation at the same time, while recording your voice explain, of course, this requires that your device has a microphone.
You can not only full-screen recording, you can also choose the recording area.
Even more reassuring is the global shortcut key you can use to record and stop.
Will not be recorded to the extra screen operation.
You also see prompts animation of recording in the status bar.