SUN is an AI-powered audio learning app that creates personalized audio courses and book summaries on any topic, almost instantly. Users choose the topic, voice, pace, and can ask questions at any time while listening. The app provides real-time, context-aware answers, turning every lecture into an interactive learning experience.

Key features include generating audio courses and book summaries from a single prompt, customizable duration options from quick 5-minute overviews to hours-long explorations, multiple narrator voice selections, and adjustable lecture pacing. Users can also choose their preferred language and customize various aspects of their learning experience.

The app works by allowing users to enter any prompt, topic, book title, or question, and SUN instantly generates a structured audio course or book summary tailored to their preferences. Everything is powered by advanced AI built for clarity, accuracy, and engagement. The technology includes fact-checking systems and context-aware conversational AI that understands the lecture context and learning history.

Benefits include having an unlimited, always up-to-date catalog that adapts to how you learn. Users can learn anything, anytime, and anywhere with content that feels engineered specifically for them. The app offers personalized learning experiences that blend user preferences, listening behavior, and real-time inputs.

The technology features layered validation including structured data checks, cross-source verification, and real-time sanity filters to minimize hallucinations and keep content trustworthy. The Q&A engine understands the lecture context, topic, and learning history to provide answers grounded in the actual course. Hyper-personalization adapts everything from topic and voice to pacing and depth based on user preferences.