Did you install Fomo through the Ecwid marketplace? If you want to uninstall Fomo and stop Fomo-related billing, then you will need to uninstall from your Ecwid account.

Step 1

Within your Ecwid account, navigate to My Profile > Billing and Plans:

Step 2

Click "Manage apps":

Step 3

Click on the row with Fomo:

This will open up extra options that look like this. Click on "Uninstall" in the bottom right:

That's all! You've now uninstalled Fomo and will stop being billed from Ecwid for the use of Fomo.