Everything you learn, finally connected.
Drop in a lecture, a PDF, or a podcast. Chunk turns it into flashcards, summaries, and connected notes — so studying feels less like digging and more like building.
Automations
Set it tonight. Read it tomorrow.
Standing research that reports only what changed. Watchers that catch the price drop. Agents that draft the brief while you're out. All on your schedule, all filed into your knowledge base — you just get the ping.
Explore Automations →☾ TONIGHT · WHILE YOU SLEEP
2:14 AM · RESEARCH
Solid-state batteries
3 new findings, cited
3:02 AM · WATCHER
Flight LHR→NRT
dropped $118 below your number
4:26 AM · AGENT
Competitor brief
drafted & appended to your log
5:11 AM · DIGEST
Inbox themes
☾ nothing new — stayed quiet
☀ 7:30 AM
3 updates waiting. 0 things you had to remember.
What you get
Your messy pile of sources, turned into something you can actually use.
Instant artifacts
Paste a lecture. Get a study kit.
Drop in a YouTube video, a podcast, or a 300-page PDF. Seconds later you’ve got flashcards, a quiz, a study guide, and a concept map. You bring the source — Chunk does the busywork.
Explore Artifacts →Quiz
10 questions, graded
Study guide
Everything that matters
Concept map
Ideas, drawn as a web
Connected notes
Notes that find each other.
Type [[double brackets]] and your notes start linking up on their own. Backlinks show you every place an idea appears. And the graph view? That’s your whole semester, drawn as a map.
Explore Notes →[[Entanglement]]
linked from 4 notes
Quantum Physics 101
5 sourcesAsk this collection
Collections
One home for every project.
Give each project its own shelf — PDFs, links, notes, reports, conversations, all in one place. Ask a question and Chunk answers from everything on the shelf at once. No more “which app did I save that in?”
Explore Collections →AI chat
The best AI models, on one $9.99 plan.
Chunk brings the top models from OpenAI, Anthropic, and Google into one app — and quietly picks the right one for each question. That’s three subscriptions’ worth of brainpower for half the price of one.
🔍 Need the full picture?
Deep Research reads dozens of sources and hands you a fully-cited report in minutes[1][2][3][4]. Receipts included.
Explore Research →Ask anything…
auto-pick model3 subscriptions · $60/mo
$20.00/mo
Think in connected pieces.
Knowledge isn’t a pile of files — it’s pieces that fit together. A lecture clicks with a paper. A stray note finishes last week’s thought. Chunk is built on one idea: when your pieces connect, you don’t just store what you learn. You understand it.
Plays nicely with your other tools.
Gamma
From research to presentation. Turn any collection into a polished deck with Gamma — your sources become your slides.
Notion
Bring your Notion along. Connect your workspace and let Chunk read, link, and build on the notes you already have.
+ more connectors on the way · requires an account with each connected app
Start free. Upgrade when it clicks.
Poke around free for as long as you like. When you’re ready, the yearly plan starts with a 3-day free trial — cancel anytime.
Free · for getting started
$0
- Notes, backlinks & knowledge graph
- Fast everyday AI chat
- 1 collection
- Export all your data as Markdown
Pro · for getting serious
$69.99/yr
- Best models from OpenAI, Anthropic & Google (GPT-5.5, Claude Opus 4.8, Gemini 3.1 Pro)
- Full Deep Research with citations
- Unlimited collections
- Instant artifacts from video, audio & PDFs
- Image generation
- AI memory
- Priority support
Cancel anytime. Your notes stay yours, free or not.
Your desk, wherever you are.
Start a note on your iPhone in the library. Build on it from your Mac at midnight. Walk through your knowledge graph on Vision Pro, because honestly, why not. One workspace, synced everywhere.
Your notes are yours. Full stop.
We don’t sell your data. We don’t train AI on your notes. Sign in with Apple and keep your inbox out of it. Chunk makes money one way — when you love it enough to go Pro.
And there’s no lock-in: every account can export everything — notes, documents, conversations — at any time, as clean Markdown files any AI tool can read.
Ready to see it all connect?
Your lectures, papers, and 2 a.m. ideas are waiting to meet each other.
Free to start · 3-day Pro trial · cancel anytime