Speaker volume is too low only in the Zoom app

My volume is too low when I am in Zoom only.  The volume is fine when I am not in Zoom.  I shouldn't have to increase the volume to 100% just to hear the person speaking!  And even then the volume is not 100% compared to other applications.  I have noticed other people complaining of the same problem with Zoom and I have tried the suggestions offered to address the problem, but none of them work so far!