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Most downloads of Shein's mobile app occur on iOS devices. In February 2026, the fashion app registered roughly *** million downloads from iPhones and iPads in the United States, while Android devices accounted for about *** million downloads that month. Shein's mobile store is among the most downloaded shopping apps in the United States.

Global popularity in the industry

Since its rebranding in 2015 from SheInside to Shein, the Shein brand has gained notoriety around the world. With an estimated revenue of billion U.S. dollars in 2025, the fast fashion brand ranks among the top fashion e-commerce online stores in several countries. In the United States, shein.com ranked third among the top online stores in the fashion segment. While in the neighboring North American market of Canada and across the Atlantic in Spain, Shein was the number one leading fashion online store.

The profitable controversy of fast fashion

As fast fashion continues to profit as a result of cheap costs and a wide variety of options, it is not without controversy. Despite in *** cross-border online shoppers believing e-retailers should be responsible for paying for sustainability, fast fashion brands like Shein tend to have low levels of transparency when it comes to their environmental impact. While fast fashion attracts millions of shoppers, secondhand e-commerce offers another online method for shoppers in need of more eco-friendly clothing consumption.