About this app
Notebook is your AI research and study partner. Add your sources — PDFs, websites, pasted text, research topics — and Notebook answers only from them, with numbered citations you can trace back to the exact source. No hallucinated facts. No generic answers. Your sources, understood. GROUNDED CHAT • Ask anything — every answer cites its sources inline • A legend under each reply maps every citation to the source it came from • Streaming answers, beautiful markdown, one-click save to notes STUDIO — ONE CLICK FROM SOURCES TO STUDY MATERIAL • Flashcards — an active-recall deck with flip, shuffle and mastery tracking • Quiz — multiple choice with explanations and a score to beat • Audio Overview — two AI hosts discuss your sources, podcast-style • Video Overview — narrated slides, auto-generated • Reports — study guide, briefing, FAQ and timeline • Mind Map, Infographic, Data Table and Slide Deck BUILT FOR RESEARCH • Fast or Deep Research: type any topic and get a dense, sourced note • Import PDFs (with text extraction), websites, markdown and clipboard text • Everything organized into notebooks with search, sort and notes DESIGNED FOR MAC • A fast, native app with a clean three-panel layout • Gorgeous light and dark appearance • Your library stays on your Mac; answers are generated securely in the cloud PREMIUM Unlock unlimited Deep Research, longer audio overviews, unlimited video and slides, and bigger decks. Weekly or yearly — cancel anytime in the App Store. Notebook can make mistakes — always double-check important answers against your sources. http://kanjan-87080.web.app/terms http://kanjan-87080.web.app/privacy
Latest release
What’s New
General performance enhancements for a smoother experience.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 6, 2026 · 7:35 AM Free