Square Online

Square Online is a streamlined e-commerce builder deeply integrated with Square's POS and payment ecosystem. It's ideally suited for brick-and-mortar retailers and service-based businesses looking to extend their reach online. The major advantage is seamless synchronization of items, inventory, and customer data between online and offline channels. The builder is user-friendly, with a focus on essential e-commerce features.

It offers a robust free plan. It ranks well due to its exceptional value for existing Square merchants, simplicity, and powerful unified commerce tools that bridge the physical and digital gap effectively.