Pop Up Discount by MITS

The reviews for this Shopify App are overwhelmingly positive, with users praising its customization options, ease of use, and professional look. Many users appreciate the ability to customize almost every aspect of the pop-up window and find it very neat and professional. The app is described as great, nice, and easy to use, with good customer support. Some users mention that it works well and is effective in capturing customer information. However, there are a few minor drawbacks mentioned, such as limited capabilities for custom CSS and an annoying review prompt in the theme editor.