There are a few key differences between Wix and Wix eCommerce. First, Wix is a drag-and-drop website builder, while Wix eCommerce is a platform specifically for creating online stores. Second, Wix eCommerce includes features like shopping cart functionality and integrated payment processors, while these features are optional with Wix. Finally, Wix eCommerce has a transaction fee of 3%, while Wix does not have any transaction fees. Overall, Wix eCommerce is a more comprehensive platform for creating online stores, while Wix is better suited for general website creation.