Best for small businesses and entrepreneurs starting an online store. USP: Square Online is an easy-to-use eCommerce platform that allows businesses to create an online store quickly. It integrates seamlessly with Square's point-of-sale system, enabling businesses to manage both online and offline sales from one dashboard. Square Online offers customizable templates, secure payment processing, and tools for managing inventory, orders, and shipping. Its user-friendly interface and affordable pricing make it perfect for small businesses looking to establish a robust online presence.