Show HN: LocalRAG – Ask AI about your own documents (iOS/Android) (localrag.app)

LocalRAG has launched a versatile document AI application for iOS and Android that enables users to engage in conversational Q&A with their own documents while ensuring data privacy. Supporting a wide range of formats, including PDF, EPUB, DOCX, and more, LocalRAG processes documents locally on users' devices, meaning files never leave the phone or tablet. This innovative tool features a four-stage search pipeline that allows for accurate context retrieval across multiple languages, providing users with detailed answers and source citations. The significance of LocalRAG for the AI/ML community lies in its unique approach to document interaction, enabling quick summaries and in-depth analyses of lengthy reports and contracts. Users can extract important clauses and findings with ease, while the app's native EPUB support stands out as a rare feature in the market. With flexibility in using different AI models like Claude Sonnet 4.5 and Opus 4, users can balance their needs for speed and accuracy. This powerful tool not only enhances productivity but also represents a step forward in personal AI applications focused on maintaining user privacy while leveraging advanced document processing capabilities.