Re:amaze combines email, social and mobile conversations seamlessly so your customers can reach you however they want. It integrates directly with Shopify so you can access order data instantly and edit orders, process refunds, and update customer/order data right within support conversations.
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.