CUIC ‑ CUI CHECKER

CUIC, officially listed on the Shopify App Store as CUIC ‑ CUI CHECKER, is a Shopify app in the Checkout - Other category. The Romanian CUI Validator for Shopify is a robust tool designed to ensure that customer-entered Company Unique Identification Numbers (CUI) are valid and correctly formatted according to Romanian tax regulations. This validator helps merchants reduce errors and streamline order processing by verifying the authenticity of CUIs directly during checkout or customer data entry. This validation is particularly important for businesses using the Facturare Gestiune Online (FGO) integration, where acc.

CUIC is free to install and use on Shopify — there are no paid plans on this app.

Yes — CUIC is free to install and use on Shopify. There are no paid plans.

CUIC launched on January 5, 2026.

CUIC does not currently carry Shopify's Built for Shopify badge. The badge is awarded to apps that meet Shopify's published standards for performance, ease of use, and merchant value — many high-quality apps operate without it.

Merchants commonly compare CUIC with Payment Rules Hide PaymentHero, Magical Fee Surcharge + Tariff, EcoCart Green Protection, and Puco Checkout Rules. Each alternative covers a similar use case but differs on pricing model, integration depth, and the specific themes merchants praise in reviews — see the alternatives section above for a side-by-side.