Running a Mac should be a hassle-free experience. However, they’re not immune to issues and MacOS’ system monitor isn’t that great to just glance at your overall system health.
Check out these Mac Menu Bar System Tools Apps:
IP Man
Watch Net Speed
Monitor real time internet bandwidth in your menu bar. Whether you want to watch only the download speed or you want to see the combined bandwidth.
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iGlance
iGlance displays current stats about your Mac on the status bar. It is built to be highly customizable so that everyone can adjust it to his/her needs.