hello, I would need an app that, based on the variants, identifies the product code SKU, other than shopify, can you help me?
Check out the Shopify App Store which offers a lot of efficient apps. Most of them offer free plans of free trial period, so you can test the most suitable apps and check what works for you the best. Select the relevant app based on needed features, reviews and budget. Here is the link to Shopify App Store https://apps.shopify.com/search?q=sku&st