An ecommerce app allows users to shop online, browse product catalogs, create wish lists, add items to a cart, and complete purchases. It also provides payment processing, shipping, and order management capabilities. Additionally, some apps let users review and rate products and engage with other customers in forums, product reviews, and social media.An ecommerce app—sometimes referred to as a mobile commerce app—is a piece of software that allows customers to browse and purchase items from an online store