We are sorry to let you know that at this moment it is not possible to use different EAN labels based on the categories. However, I have passed your request on to the development team. They will get back to you as soon as they can.
Please update the plugin to the latest v4.6.0. It’s now possible to use different EAN labels based on the product categories.
You’ll need to use shortcodes for that. Go to “WooCommerce > Settings > EAN > General”, and set the “Single product page > Template” and/or “Shop pages > Template” options to something like this (by default options are set to EAN: %ean%):