Meta's Muse AI Agent Tops U.S. iPhone Free-App Chart

Meta's personal AI assistant Muse topped Apple's U.S. free iPhone app chart on September 19, ahead of ChatGPT. Muse works through connected accounts to complete errands and purchases, but requires user approval for purchases; Meta uses sanitized task histories for training with an opt-out option.

• Muse launched September 8, 2026, available on iOS 18+, Android, web and WhatsApp in the U.S.
• The app requires purchase approval and uses single-use payment credentials on new sites
• Meta trains models on sanitized task histories, with an opt-out in settings
• Over 83,000 U.S. iOS downloads per Sensor Tower estimate, rated 4.9 out of 5