Mixpanel is a tool that allows you to analyze how users interact with your website. It’s designed to make teams more efficient by allowing everyone to analyze user data in real-time to identify trends, understand user behavior, and make decisions about your product.
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.
In short, Shopify Plus is for very successful Shopify businesses. Shopify Plus can handle over 10,000 transactions per minute, can operate with unlimited staff accounts and includes personalised, dedicated help and support which makes it the perfect platform for a large business.
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.