SMART Address Validator

The reviews for this Shopify App are overwhelmingly positive, with users praising its effectiveness in blocking orders with PO boxes and solving address completion issues. Customers appreciate the ease of use and quick setup process. The customer service is highlighted as exceptional, with mentions of helpful and responsive support agents. Users also value the app's ability to enforce required fields and improve the checkout process. Some reviewers mention that the app is free and provides valuable features without the need for Shopify Plus.