Wishlist Plus for Shopify provides fast and responsive customer care, automated installation for popular Shopify themes, and assistance with installation for other themes. It works on product, collection, and quick views, and allows customers to track products, customers, and their activities. Guests can use the wishlist without logging in, and the app is GDPR compliant. Additionally, customers receive email reminders when a wishlist product has a low stock or a price drop. It also supports popular currency apps out of the box, and offers REST API and JavaScript API, as well as Facebook pixel.