Klaviyo is the best in class email marketing solution for eCommerce. It's powerful because it connects to your store, and you can create awesome customer segments based on past purchasing behaviors, customer preferences, and even future predictions of spending.
Shopify is a commerce platform that allows anyone to set up an online store and sell their products. It's the go-to eCommerce platform for young direct-to-consumer brands. It's ease of use and setup is what's most attractive to merchants, but also the incredibly vast Shopify app store.
Loox enables brands to automatically collect customer reviews with photos and display happy customer content on site. Loox gathers authentic product reviews by using smart and fully customizable review request emails. Loox also provides merchants with widgets for showcasing their content.