Reverse COD Form & Upsell

The reviews for this Shopify App are overwhelmingly negative. Users reported issues with the app not functioning on certain days, leading to a loss in sales. Additionally, there were complaints about being charged despite not using the app. Users also mentioned that the app's configuration is basic and it adds code to the website, slowing it down significantly. The high cost of $15 was criticized, especially when compared to other apps that offer more features and are more popular.