Meta AI’s app downloads and daily users spiked after launch of ‘Vibes’ AI video feed (techcrunch.com)

Meta’s AI mobile app has seen a sharp usage spike: daily active users across iOS and Android jumped to about 2.7 million on October 17, up from roughly 775,000 four weeks earlier, while installs climbed to ~300,000 per day (previously under 200,000). Similarweb flags the timing as closely aligned with Meta’s Sept. 25 rollout of the Vibes feed — a short-form, AI-generated video stream inside the Meta AI app — though it cautions its model can’t prove causation and may miss platform promotions. The analysis also notes competing assistants (ChatGPT, Grok, Perplexity) showed small DAU declines over the same period. For the AI/ML community this signals two things: product-level generative video features can rapidly drive mainstream user adoption, and market dynamics (notably OpenAI’s Sora launch and its invite-only gating) may redistribute attention to available alternatives. Technical implications include increased demand for video-generation inference and recommendation infrastructure, higher compute and moderation costs for ephemeral/generated content, and tighter feedback loops for training and personalization. Strategically, the episode underscores how feature packaging, cross-platform promotion, and access policies can materially affect growth trajectories in generative-AI products.