Let users add liked products to their comparison lists, which are formed in the well-structured comparison table with complete information about products
Favorites are a Member’s Only feature, which you can access right now for FREE simply by creating your own account.
It’s that simple.
Did you see the other "WooCommerce : Products - Compare" addons like the
WooCommerce Compare Widget?
p.s. You can find these under the "More Like This" section on each widget/extension page :)