Meta's Muse tops ChatGPT on U.S. iPhone chart with 730,000 downloads

Meta's Muse reached No. 1 among free iPhone apps in the U.S., overtaking ChatGPT, with 730,000 downloads in its first five days, Yahoo Finance reported Sept. 22. Meta calls Muse its personal AI agent. Downloads show early demand, not lasting use — retention and daily activity will decide if the lead matters.