If you're running macOS version 9.0617 and below (which is several years old), check out t his Zoom support article for detailed steps on how to delete Zoom on your Mac. Click Uninstall Zoom and select 'OK' to start uninstalling the Zoom desktop application and all of its files. Open the Zoom desktop application and select from the menu at the top of your screen. To delete the Zoom app on your Mac, make sure you're signed out of your Zoom account. On an Android phone, open the settings app, tap Apps & Notifications, then click See all app. Click 'Delete App' at the bottom the pop up menu to delete Zoom.
On an iPhone or iPad, long press the Zoom app icon on your home screen. To delete the Zoom app on your phone or iPad, first make sure you're signed out of your Zoom account. Here's how to do it on every device: How to delete Zoom on your iPhone, Android phone or iPad Once you've deleted your account, you can go ahead and delete the Zoom application from your devices.