Meta’s Muse AI agent app reached 5 million US downloads in just 22 days after launching on September 8, 2026. ChatGPT took 56 days to reach the same milestone, while Grok required 103 days and Claude needed 492 days. Muse held the top spot among free apps on the US App Store for more than 12 consecutive days. The app now has over 3 million weekly users and more than 1 million daily prompts. Meta plans to monetize Muse through transaction fees on premium features rather than a traditional subscription model.
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