Meta says its Muse AI app has passed 10 million users

Meta has a new hit on its hands, and it is not another social feed. The company said during its third-quarter earnings call that Muse, its AI agent app, now has more than 10 million users. Meta added that people are leaning on the app for two things in particular: shopping and personal productivity. A very fast first 40 days Muse launched on September 8, 2026. Within 40 days it had logged 10.9 million total downloads. The vast majority came from home turf. Of that total, 10.2 million downloads were in the US, which makes Muse an overwhelmingly American product for now. The pace puts the app in rare company. Only 12 other apps in history have reached 10 million downloads in such a short window. On October 16, Muse recorded 2.5 million daily active users. That figure was growing at 15% week over week. Put another way, roughly one in four people who installed the app were opening it on a given day. Retention is the number to watch Muse appears to be holding on to users better than its peers. Its seven-day retention rate sits at 30%, and its 14-day retention rate is 23%. Rival applications such as ChatGPT average 19% at the seven-day mark and 16% at 14 days. Meta directed 39% of its US...