Meta's Muse AI app achieved a 30% 7-day retention rate and a 23% 14-day retention rate among U.S. users following its launch.

From the articleMeta’s Muse reaches 10 million U.S. downloads in 40 days, a milestone matched by just 11 other apps | МежаAlso in Meta’s Muse hits 10M US downloads in 40 days, a milestone reached by only 11 other apps, Meta's Muse hits 10.2M US downloads, but the fast start runs on ad spend - Cryptopolitan, Meta’s Muse Reaches 10 Million Downloads Faster Than ChatGPT | PYMNTS.com