Metafields are additional data that can be attached to Shopify products. Use Shopify Metafields for more advanced or automated integration such as batch uploading CSVs of data, or configuring third-party Shopify management tools to use with Verisart.
Metadata are additional data that can be attached to WooCommerce products and can be added via attributes. You can learn how to manage attributes in WooCommerce's Managing Product Categories, Tags and Attributes.
View all our metafields in our developer docs
When to use Metafields?
To add specific fields that are not available in the App UI like including public files on certificates.
When creating a csv for a bulk uploads.