Meta's Muse hits 10.2M U.S. downloads in 40 days

Meta's AI companion Muse has reached 10.9 million downloads since its September debut, 10.2 million of them in the U.S. Only 11 other apps have hit that 40-day milestone; Muse's 7-day retention is 30% versus 19% for rivals.

• 10.9M total downloads, 10.2M in the U.S. within 40 days
• 7-day retention 30% and 14-day 23%, versus 19% and 16% for ChatGPT, Claude and Grok
• Meta put 39% of its October ad spend behind Muse
• DAU hit 2.5M for the first time on October 16, up 15% week over week