Pop Up Discount by MITS

The reviews for this Shopify App are overwhelmingly positive, with most users giving it a 5-star rating. Users appreciate the app's ease of use, customization options, professional look, and effectiveness in engaging customers. The ability to customize almost every aspect of the pop-up window is a standout feature that users love. Additionally, the app is praised for its customer support and the recent addition of more customizations. However, some users mentioned limitations in custom CSS capabilities and difficulties with A/B testing. Despite these minor drawbacks, the app is highly recommended for its functionality and user-friendly experience.