Sensor Tower: Pinduoduo's marketplace Temu app had 10.8M US installations since September 1 and became the most downloaded US app from November 1 to December 14
Temu, a marketplace with deep discounts and copious coupons, has become the most downloaded mobile app in the U.S. — Copy Link
Context & Ripple Effects
Pinduoduo launched Temu in the US in September 2022 and bought its way into the charts fast: Sensor Tower counted 10.8M installations by late December, enough to make it the most downloaded US app for the Nov. 1–Dec. 14 stretch. For a marketplace with no US brand recognition six weeks earlier, that ranking was the proof point that PDD could replicate its discount-and-coupons playbook abroad.
What followed validated the bet as a strategy rather than a launch spike: PDD shifted engineering muscle to Temu after cleaning up its domestic app, per a later source report on the backdoor exploit cleanup, and Temu went on to out-spend Shein in the US by May 2023 while burning an estimated $30 per order to get there.
First-order effects
- Amazon and Shein suddenly have a heavily subsidized discount rival sitting at the top of the US download charts during the holiday shopping season, forcing both to treat Temu as a direct competitor rather than a niche import app.
- Pinduoduo converts its China-honed coupon-driven model into a US beachhead, with Sensor Tower's install data giving it the credibility to keep funding aggressive user acquisition.
Second-order effects
- Sustained discounting sets up a subsidy war: Temu's later losses of roughly $30 per order show the download lead was purchased, pressuring Shein and Amazon to match prices or concede the ultra-low-cost segment.
- Engagement follows installs — shoppers eventually averaged ~22 minutes daily on Temu versus ~10 on Amazon — pulling ad budgets and seller attention toward the newcomer.
Third-order effects
- If the pattern holds, Chinese-owned deep-discount marketplaces become a permanent tier of US e-commerce rather than a launch-window curiosity — Temu repeated as the top free US iOS app in 2024 — while their growth draws escalating regulatory scrutiny, as seen in the EU's later enforcement action over illegal products and alleged non-cooperation during a raid.
- App-store rankings increasingly reflect acquisition spend rather than organic demand, making third-party measurement firms like Sensor Tower and Apptopia the de facto arbiters of whether a chart-topper is real traction or rented growth.
The trend: Chinese e-commerce platforms are exporting subsidy-funded discount marketplaces to the West, trading years of losses for top-of-chart positions and forcing incumbents and regulators alike to respond.