Weโre sorry to hear that you plan on leaving us. Please, let us know about your reasons. Hopefully, we will be able to help you solve your problems or use your feedback to improve the app.
If you really want to uninstall SignatureSatori:
Make sure there are no active recurring payments in the Subscription menu.
Go to your admin console in Google Workspace.
Click on Apps.
Click on Google Workspace Marketplace apps.
Click on Apps list.
Click on SignatureSatori - Email signature management for Gmail.
On the left side of the screen, click on UNINSTALL APP and confirm your choice.