Meta's AI companion Muse recorded an estimated 10.2 million U.S. downloads in its first 40 days, according to Sensor Tower figures reported by TechCrunch on Oct. 20. Yahoo Finance reports that Muse launched Sept. 8. TechCrunch puts its total downloads since its September debut at 10.9 million.
According to TechCrunch, Sensor Tower senior insights analyst Kara Lee identified only 11 other mobile apps that had reached 10 million U.S. downloads in their first 40 days. The most recent was Meta's Threads in July 2023; the others were largely mobile games, Lee noted.
The same report gives Muse a 30% U.S. retention rate after seven days and 23% after 14. Sensor Tower's reported averages for ChatGPT, Claude and Grok were 19% and 16%, respectively, over those periods. The firm also estimated that Muse reached 2.5 million daily active users for the first time on Oct. 16, up 15% week over week. TechCrunch does not specify whether that daily-use figure covers only the U.S.; it is a different measure from cumulative downloads.
Sensor Tower estimated that Meta devoted 39% of its total advertising spend to Muse in October, up from 23% in September, TechCrunch reports. For a first-40-days U.S. comparison, the report lists 3.7 million downloads for ChatGPT, 500,000 for Grok and 200,000 for Claude. It puts ChatGPT's global total over that period at about 15 million and says Muse was available only in the U.S. and Canada as of Oct. 20.
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