Leading shopping apps for iOS in the U.S. 2021, by downloads
As of November 2021, Amazon's shopping app recorded some 25.5 million downloads in the Apple App Store in the United States. It was followed by SHEIN's app and Shopify, with 17.6 million and 13.2 million downloads on iOS devices, respectively. Walmart ranked fourth, downloaded some 12.8 million times that year.