CUIC ‑ CUI CHECKER vs EU Vat Number Field Checkout
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Apr 18, 2026 for CUIC, Oct 13, 2026 for EU Vat Number Field Checkout.
The short answer
Head to head
Plus Plan
- · EU VIES VAT Validation
- · Fully translatable and customizable
- · Seamless Checkout integration
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureThe 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.
A VAT number field is essential for merchants selling to businesses within the EU. The "EU VAT number field Checkout" app allows Plus merchants to seamlessly add a VAT ID field to the Shopify checkout. VAT numbers are validated through the official EU VIES database and verified to ensure they match the customer's country. Additionally, VAT numbers are saved at both the order and customer levels for easy access.
- Validate CUI
- Comply with FGO integration
- No more "," or "Business name" in the company field
- Add a VAT number Field to the checkout
- Validate VAT numbers automatically with the EU VIES database
- Customer VAT number is saved and accessible at order and customer level








All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure | CUIC | EU Vat Number Field Checkout |
|---|---|---|
| Detected stores | Not published | Not published |
| Net store change, 28 days | 0 | 0 |
| Stores added, 28 days | Not enough data | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Not published | Not published |
| Top store countries | Not published | Not published |
Reviews
| Measure | CUIC | EU Vat Number Field Checkout |
|---|---|---|
| App Store rating | Not published | Not published |
| App Store reviews | Not published | Not published |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | CUIC | EU Vat Number Field Checkout |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | No monthly plan listed | $8.99/month |
| Longest free trial | Not listed | 7 days |
| Plans listed | Not published | 1 |
Listing
| Measure | CUIC | EU Vat Number Field Checkout |
|---|---|---|
| Shopify category rank | #345 | Not enough data |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Jan 5, 2026 | Apr 14, 2025 |
| Languages | 1 | 1 |
| Developer | Automation For Business IT SRL | Online Origins |
FAQ
CUIC and EU Vat Number Field Checkout: common questions
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Apr 18, 2026 for CUIC, Oct 13, 2026 for EU Vat Number Field Checkout; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Apr 18, 2026 for CUIC, Oct 13, 2026 for EU Vat Number Field Checkout. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.





