Tests what checkout actually charges every EU & UK buyer.

Is your store charging every kind of buyer the right VAT — and can you prove it? Install VATparity from the Shopify App Store. If you already have it, open it from your Shopify admin under Apps.

• Real calculationsNot a settings checklist. Every scenario is priced by Shopify’s own tax engine — nothing is ever ordered, paid for, or changed.
• Evidence, datedFindings your accountant can use, with the full evidence table, exportable as CSV and printable to PDF.
• Weekly monitoringShopify’s tax engine changes under stores — the paid plan re-scans weekly and alerts you when a result changes.

These are software test results, not tax advice.