WooCommerce is an e-commerce plugin for WordPress. With WooCommerce, you can turn your WordPress site into an online store and sell physical, digital or any kind of products. WooCommerce is a free and open source plugin. In this way, you can use WooCommerce for free.
Magento is an open source, powerful, flexible and scalable platform for e-commerce sites. Magento allows you to customize your website as you wish, use thousands of themes, plug-ins and extensions, offer different payment and shipping methods, have an SEO-compatible infrastructure, and perform advanced reporting and analysis. Magento is an ideal platform for large and enterprise-level businesses.