Icaruscribe

Icaruscribe is an AI knowledge-base and study tool that lets you upload PDFs, lecture recordings, voice memos, and documents, then chat with them and turn them into study material. It ingests common file types (PDF, .docx, text, markdown, and audio such as .m4a, .mp3, and .wav), transcribes recordings, and answers questions against everything you have added. Beyond a chat interface, Icaruscribe generates flashcards from dense material, builds quizzes and tests (multiple choice, short answer, and custom), and produces summaries and study guides. It also maps concepts across your uploads with "digital neuron" nodes so you can see how topics connect, and it supports semantic search to find passages by meaning rather than exact keywords. The app is aimed at students and self-directed learners who accumulate readings and recorded lectures and want a single place to organize, review, and query them. Icaruscribe is currently distributed on the iOS App Store.

Best for students who want to chat with uploaded PDFs and lecture recordings and auto-generate flashcards and quizzes.