Melhor Envio

The reviews for this Shopify App are overwhelmingly negative, with users expressing frustration over issues such as lack of updates, non-functioning app, slow customer support, high pricing, poor integration with Shopify, and difficulties in generating labels. Users also mentioned problems with carrier services, inability to customize shipping rules, and long response times from support. However, there was one positive review highlighting excellent customer service and prompt resolution of installation issues. Overall, the app seems to have major usability and functionality issues that are causing significant challenges for users.