Google announced the launch of NotebookLM mobile applications for iOS and Android on May 19th, 2025, responding to frequent requests from millions of users for mobile access to the AI-powered information understanding tool. Product Manager Biao Wang highlighted the apps as designed to help users "understand anything, anywhere" with core NotebookLM features and additional refinements planned for coming months.
The mobile applications include offline Audio Overview listening capabilities, allowing users to download content for playback in service deadspots, or to reduce cellular data usage. Users can listen to Audio Overviews in background mode for multitasking while maintaining discussion continuity. The interactive host feature enables users to tap "Join" to ask questions or steer conversations in new directions during Audio Overview sessions.
Cross-platform sharing functionality allows users to add websites, PDFs, or YouTube videos as new sources directly to NotebookLM from any application by tapping the share icon and selecting NotebookLM. Google plans to add new input types over time to expand content integration capabilities.
The NotebookLM platform serves millions of users seeking to understand and engage with complex information through AI-powered analysis and discussion generation. Early app testers identified offline listening, host interaction, and universal sharing as particularly valuable features for students, professionals, and information workers.
The iOS application requires iOS 17 or higher and supports iPhone and iPad devices, while the Android version requires Android 10 or higher for phones and tablets. Both applications are available through their respective app stores with user feedback encouraged through X and Discord channels.
The mobile applications extend NotebookLM's reach to on-the-go users requiring information analysis and comprehension tools outside desktop environments. The offline functionality addresses connectivity limitations while enabling continuous productivity during commutes, travel, or areas with poor network coverage. Cross-platform sharing capabilities streamline content workflows by eliminating device switching requirements for source material addition.
Google positions NotebookLM as an AI-powered solution for complex information engagement, targeting students, professionals, and information workers requiring portable analysis tools. The mobile launch represents Google's response to user demand while maintaining feature parity with desktop versions. The phased rollout approach with promised feature additions indicates ongoing development investment in the AI-powered information understanding market segment.