Recall
AI-powered knowledge base for everything you read and watch
About Recall
Recall is an AI knowledge management tool that automatically summarizes and organizes content from YouTube videos, articles, PDFs, and web pages into a connected knowledge graph. It uses spaced repetition and active recall techniques to help users retain information, with features like smart quizzes, chat-with-content, and a read-it-later system.
Pros & Cons
Pros
- Unique knowledge graph approach automatically connects related content across your library
- Spaced repetition quizzes actually help retain information — not just save it
- Offline-first design with local data storage prioritizes privacy
- Browser extensions make capture effortless during regular browsing
- Evolving rapidly with substantial 2026 updates including OCR, Chat 2.0, and Quiz 2.0
- Affordable pricing compared to other AI knowledge tools
Cons
- Summarization quality varies depending on content type and complexity
- Knowledge graph can become noisy with too many loosely connected saves
- No team or collaboration features — purely individual use
- Limited integrations with other productivity tools like Notion or Obsidian
- Mobile apps are newer and less feature-rich than the web/extension experience
Key Features
AI Summarization
Automatically summarize YouTube videos, articles, PDFs, and web pages into concise, structured notes
Knowledge Graph
Dynamic graph that connects related content, surfacing previously saved information when encountering similar topics
Spaced Repetition
Built-in quiz system using spaced repetition and active recall techniques for long-term knowledge retention
Chat with Content
Ask questions about your saved content and get AI-powered answers with references to your knowledge base
Read-It-Later
Save articles and content for later reading with automatic summarization and organization
Browser Extension
Chrome and Firefox extensions for instant content capture and summarization while browsing
OCR Support
Extract and summarize text from images and screenshots for comprehensive knowledge capture
Offline-First
All data stored locally and available offline, prioritizing privacy and data security
Pricing
- Basic summarization
- Knowledge graph
- Browser extension
- Limited saves per month
- Unlimited saves
- Advanced AI features
- Chat with content
- Quiz 2.0
- Priority processing
- Mobile apps
Best For
Research & Learning
Build a personal knowledge base from online courses, articles, and videos with automatic summarization and retention quizzes
Content Curation
Save and organize interesting content while browsing with AI summaries and connected knowledge graph
Study Aid
Use spaced repetition quizzes to retain key concepts from saved educational content
Professional Development
Keep track of industry articles, conference talks, and reports with organized, searchable summaries
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