In May 2021, Shein made headlines by overtaking Amazon as the number one shopping app on iOS and Android. The June announcement that Shein may IPO at a $47 billion valuation rattled public attention again. How did this Chinese app seemingly emerge out of nowhere to become the most downloaded in the U.S.?

In this article, we'll use data from our eCommerce solutions Research Intelligence and Shopper Intelligence, to analyze Shein and see if it's truly a threat to retailers like Amazon and Walmart. Hold your breath for the Shein vs. Amazon face-off.