xAI has released multiple updates to its Grok app, enhancing user experience with improved audio quality for Imagine videos and new sharing features. The latest version, v1.1.40, offers better sound and enhancements to the Imagine feature. Users can now share Grok Imagine videos on 𝕏 (formerly Twitter) with prompts included automatically, simplifying the posting process. The app also links directly to Grok's iOS and Android versions for content creation. Grok has rapidly climbed the App Store rankings, reaching number two in the Productivity category in both the United States and Canada, and number seven overall in the US. Additionally, 𝕏 is now the top news app in Mexico, leading in both the free and grossing categories. xAI has upgraded Grok 4's PDF processing capabilities, enabling the app to handle large documents with improved content recognition. These PDF enhancements are available to all users. The Grok app continues to receive positive reception, with users actively sharing creative content generated through its Imagine feature.