Here are the most popular online fashion/shopping apps people in the United States use today, with a short note on what each is best for. Rankings shift quickly, but this list reflects industry download and usage data through 2024–2025.

Top apps (what they’re best for)

• Temu — ultra‑discount marketplace for mass‑market goods and apparel; extremely high downloads in the U.S. in 2024. (statista.com)
• Shein — fast‑fashion catalog with huge global/mobile downloads and strong appeal among Gen Z. (statista.com)
• Amazon (Amazon Shopping / Amazon Fashion) — massive selection, fast shipping, good for basics and brand variety. (doofinder.com)
• Walmart — large assortment, low prices, strong omnichannel options (pickup/delivery). (doofinder.com)
• ASOS — trend-led styles, strong international selection and visual search features for fashion. (glance.com)
• Zara — fast‑fashion brand app for current runway‑inspired pieces and frequent new drops. (apptweak.com)
• H&M — affordable basics and conscious collections; popular retailer app. (apptweak.com)
• Poshmark — social/resale marketplace popular for secondhand fashion and resellers. (statista.com)
• Depop — peer‑to‑peer marketplace with strong Gen Z and vintage/resale appeal. (apptweak.com)
• eBay — large C2C marketplace for new and used clothing; strong resale volume. (washingtonpost.com)
• ThredUp / The RealReal / Vestiaire Collective — resale/consignment apps focused on secondhand and premium items (growing in popularity). (washingtonpost.com)
• GOAT / StockX — sneaker and streetwear marketplaces (top for collectible sneakers and limited drops). (apptweak.com)
• Stitch Fix — personalized styling + shopping via subscription and app. (glance.com)
• Farfetch / Revolve / Net‑A‑Porter — luxury and premium retailer apps (designer pieces, curated selections). (glance.com)

Notes and trends

• Fast‑fashion and discount marketplace apps (Temu, Shein, Temu’s rapid growth) dominated downloads in 2024–early 2025. (statista.com)
• Resale/thrift apps (Poshmark, Depop, eBay, ThredUp) saw increased downloads and traffic in 2025 amid price/tariff pressures and growing sustainability interest. (washingtonpost.com)
• Major general retailers (Amazon, Walmart) remain top‑downloaded shopping apps overall and are widely used for fashion because of selection and logistics. (doofinder.com)

If you want, I can:

• Narrow this to a top‑10 list for the U.S. only (by downloads or active users).
• Recommend which app(s) are best for budget shopping, sustainable/secondhand, luxury, or sneaker collecting.