# Chunk — Everything you learn, finally connected

> Chunk is a connected learning workspace for students and researchers, available on iOS, iPadOS, macOS, visionOS, and the web. Drop in a lecture, a PDF, or a podcast — Chunk turns it into flashcards, summaries, and connected notes, alongside wiki-linked notes, project collections, and fully-cited research reports.

## Product Overview

- **Artifacts** (https://www.chunkapp.com/features/artifacts): Transform any source — YouTube videos, web articles, podcasts, audio files (up to 200MB), or documents (PDF up to 50MB, TXT, MD) — into five study formats: clean markdown notes, a summary, interactive flashcards, a scored quiz, and an interactive concept map. Supports batch processing of multiple URLs and output in 9 languages. Pro feature.
- **Notes** (https://www.chunkapp.com/features/notes): A rich notes editor with [[wiki-links]], automatic backlinks, a living knowledge graph, auto-generated Maps of Content, and inline AI writing tools (4 uses/week free, unlimited on Pro). Notes can be published to the public web as an interconnected personal wiki. More on wiki-links: https://www.chunkapp.com/features/notes/wiki-links
- **Collections** (https://www.chunkapp.com/features/collections): Group documents, URLs, notes, research reports, and past conversations into project workspaces — then chat with everything in the collection at once, with control over exactly which items provide context.
- **Research** (https://www.chunkapp.com/features/research): AI research reports with real citations, in five depths — Quick Outline (~30s, free), Resource List (~1 min, free), Standard Report (~2 min, free), Detailed Report (~3 min, Pro), Deep Research (5–7 min, Pro). Configurable tone and citation format (APA, MLA, Chicago, Harvard); export as PDF or Markdown.
- **Multi-Model AI Chat**: One subscription covers premium models from OpenAI, Anthropic (Claude), and Google (Gemini); switch models per task. In-chat image generation, real-time web search with citations, and YouTube search.
- **Documents**: Upload and analyze PDF, DOCX, TXT, CSV, RTF, XML, MD, EPUB, XLSX (up to 10MB each); searchable in chat. Pro feature.
- **AI Memory**: Optionally extracts and remembers key facts across conversations; fully viewable, editable, and deletable.

## Pricing (honest summary)

- **Free**: connected notes with wiki-links and the knowledge graph, everyday AI chat with a fast model, quick research reports, 1 collection, and full data export. No document uploads on the free plan.
- **Pro Monthly**: $9.99/month — premium AI models, Artifacts, Deep & Detailed Research, document uploads, unlimited collections, unlimited AI writing tools, higher daily limits.
- **Pro Yearly**: $69.99/year with a 3-day free trial. A credit card is required to start the trial; cancel anytime before it ends.

## Data Portability

Every account — free or Pro — can export all of its data as AI-ready Markdown, anytime. No lock-in.

## Platforms

- Web: https://www.chunkapp.com
- iOS / iPadOS / visionOS: https://apps.apple.com/us/app/chunk-ai-research-assistant/id6472682763
- macOS: Available on the Mac App Store

## Help & Documentation

- Help Center: https://www.chunkapp.com/help
- Getting Started: https://www.chunkapp.com/help/getting-started
- FAQ: https://www.chunkapp.com/help/faq

## Company

Built by Curious Minds Software LLC.

## Links

- Website: https://www.chunkapp.com
- Privacy Policy: https://www.chunkapp.com/privacy
- Terms of Service: https://www.chunkapp.com/tos
- Contact: info@chunkapp.com