REZ Preorder, Back In Stock

The reviews for this Shopify app are overwhelmingly positive, with users praising the excellent customer support provided by Emma, one of the co-founders. Customers appreciate the app's ease of use, quick setup, and functionality for pre-orders and back-in-stock notifications. Emma's responsiveness, knowledge, and helpfulness stand out in many reviews, with users mentioning her by name and highlighting her exceptional support. The app is described as simple, well-designed, and effective, with users expressing satisfaction with the service and features provided. Some users also mention the app being free or offering important features for their e-commerce stores.