Usable Scroll is an innovative AI-powered tool designed to analyze scroll behavior on social media platforms, providing insights into what content effectively captures and retains audience attention. By leveraging real behavioral data from actual scroll sessions across popular platforms like TikTok, Instagram, X (formerly Twitter), Reddit, YouTube, and Facebook, Usable Scroll enables content creators and marketers to optimize their strategies based on empirical evidence rather than assumptions. The tool employs three custom machine learning models trained specifically on scroll behavior, ensuring accurate predictions and analyses. Key features include the 'Hook Arrest' function, which predicts the likelihood of content stopping a scroll based on uploaded thumbnails and captions, and 'Attention Decay' analysis that reveals where users typically lose interest, complete with fatigue curves for various platforms and content types. Additionally, Usable Scroll offers 'Visual DNA' content fingerprinting, allowing users to identify high-performing content characteristics, even when the visuals differ. The tool's cross-platform capabilities enable users to compare engagement metrics across different social media channels, providing a comprehensive understanding of audience behavior. With an Android app available, users can capture scroll behavior from mobile feeds, where a significant portion of social media consumption occurs. The freemium pricing model allows users to explore basic functionalities before opting for a subscription for deeper insights and API access.