What is the difference between GTIN, EAN & UPC

GTIN, EAN & UPC are all barcodes used for trading. GTINS & EANs barcodes are 14 digits long and are used internationally. UPC barcodes are 13 digits long and are primaraly used in the USA. It's recommended to use 14 digits long barcodes. Read more about the GTIN attribute in the feeds from Google support.

Does this app sell original GTINs

This app sells unique working GTINs, but these GTINs are not registered (for a specific brand). Registered GTINs are registered for a specific brand and must be renewed anually.

Are these GTINs refundable

The issued GTINNs are non refundable.