Chunk: AI Notebook & Research

About this app

<p>Chunk — Your Second Brain, Switched On</p>
<p>One AI workspace where cutting edge AI Models from GPT, Claude, and Gemini answer from YOUR notes, PDFs, videos, and research — with citations you can tap. Save anything, ask anything, automate the rest.</p>
<p>EVERY FRONTIER AI MODEL, ONE APP<br />
• Chat with OpenAI GPT-5.6 (Sol, Terra & Luna), Anthropic Claude Opus 5 & Sonnet 5, and Google Gemini 3.1 Pro<br />
• Switch models mid-conversation — no model lock-in, no juggling separate AI chat apps<br />
• Free plan includes everyday AI chat, every day</p>
<p>ANSWERS WITH RECEIPTS<br />
• Connected Chat quotes your own notes, documents, and saved pages — tap a citation, see the source<br />
• @-mention any note, document, or collection to bring it into the conversation<br />
• Intelligent web search with clear, clickable citations for every fact</p>
<p>SAVE ANYTHING FROM ANYWHERE<br />
• Capture links, PDFs, screenshots, and stray thoughts into your Inbox — two taps from any app<br />
• Clip from your browser or forward emails straight into Chunk<br />
• Everything lands searchable, connected, and ready to ask about</p>
<p>TURN VIDEOS INTO FLASHCARDS<br />
• Convert YouTube videos, lectures, podcasts, audio, webpages, and PDFs into Artifacts: transcripts, summaries, flashcards, quizzes, and concept maps<br />
• Build study guides and exam prep from your actual course material</p>
<p>NOTES WITH BACKLINKS & A KNOWLEDGE GRAPH<br />
• Full Markdown note editor with [[wiki links]] and backlinks — build a personal wiki<br />
• Related notes resurface automatically while you research<br />
• AI writing tools: grammar, tone, translation, summarizing, creative rewriting</p>
<p>DEEP RESEARCH REPORTS IN MINUTES<br />
• Cited research reports — from quick outlines to comprehensive deep research<br />
• Bibliographies in APA, MLA, Chicago, or Harvard format</p>
<p>AUTOMATIONS THAT WORK WHILE YOU SLEEP<br />
• Standing agents re-run your research, watch prices and pages, and digest your notes on a schedule<br />
• Wake up to fresh, cited digests filed into your workspace</p>
<p>YOUR LIBRARY + AI MEMORY<br />
• Upload textbooks, papers, and contracts — ask questions across a 3,000-page document library<br />
• Organize sources into Collections and chat with an entire project at once<br />
• AI memory personalizes every answer — you see, edit, and control everything it remembers</p>
<p>CREATE IMAGES — generate visuals for presentations, study aids, and social posts with GPT-Image and Gemini.</p>
<p>EVERYWHERE YOU WORK — iPhone, iPad, Mac, and Apple Vision Pro, always in sync. Start on your phone, finish on your Mac.</p>
<p>PRIVATE BY DESIGN — your data is never sold and never used to train AI models. Export everything, anytime. Your notes stay yours, free or not.</p>
<p>Built for students crushing homework and exam prep, researchers writing cited papers, professionals analyzing documents and monitoring markets, and writers turning reading into output.</p>
<p>Free to start — no demo mode, the free plan does real work. Chunk Pro unlocks every frontier model, unlimited deep research, automations at scale, and the full document library, with a free trial on the yearly plan.</p>
<p>Terms of Service: https://www.chunkapp.com/tos<br />
Privacy Policy: https://www.chunkapp.com/privacy</p>