Recall
Officially listedA personal AI knowledge base that pairs AI summaries with spaced-repetition memory.
Recall
Recall is a knowledge management and productivity tool built to be your personal AI knowledge base. It summarizes web pages and multimedia content in one click and turns scattered information into a visual knowledge graph. Its guiding idea is turning the forgetting curve into a learning curve — an ideal digital 'second brain' for content creators, researchers, and lifelong learners.
Core Capabilities
- Universal saving and summaries: Save and auto-summarize web pages, PDFs, YouTube videos, and even long podcasts in one click to absorb information far faster.
- Automatic knowledge graph: Skip tedious manual organizing — AI tags saved content automatically and visualizes the hidden connections between knowledge points as a network.
- Multi-model chat across documents: Choose top models such as ChatGPT, Claude, or Gemini at any time to run deep Q&A and retrieval against your personal knowledge base.
- Spaced repetition and AI quizzes: A distinctive closed-loop learning system generates quizzes from your notes and schedules review along a scientific memory curve, turning saves into real knowledge.
- Enhanced browsing: The browser extension detects related content in your knowledge base as you browse new pages and surfaces it proactively as context.
Use Cases Perfect for content creators, researchers, and productivity enthusiasts who consume large volumes of pages, videos, and reports daily — especially lifelong learners tired of saving things they never revisit or remember.
Unique Advantages Compared with classic read-it-later apps, Recall's core differentiation is fusing multimedia summaries, automatic knowledge linking, and spaced-repetition memory, while giving users the freedom to switch between top models. Recent MCP support also lets power users plug it into local development workflows as a data source.
Editor's Verdict Recall stitches information capture, AI summaries, automatic linking, and review memory into one smooth workflow. Heavy users may hit rate limits on paid plans, but it remains one of the most efficient and innovative AI assistants for consolidating multimedia content into a personal digital brain — well worth a try for knowledge workers.
Pricing
### 💰 定价模式：免费增值 **起步价**：免费 #### 主要方案 - **免费版**：$0/月 - 每月 10 次 AI 总结，无限量保存阅读内容与笔记，支持可视化知识图谱构建，提供 API 及 MCP 访问权限。 - **Plus (加强版)**：$10/月 - 无限量 AI 总结，智能标签自动分类，与个人知识库对话，Listen Mode，间隔重复测验系统。 - **Max (专业版)**：$38/月 - 包含 Plus 所有功能，支持自由选择前沿 AI 模型 (如 GPT-4、Claude 3.5、Gemini)，支持批量 AI 操作，专属客服。 #### 试用/其他信息 提供 30 天退款保证，且针对学生有 20% 的折扣优惠。 — Visit website
FAQ
Is Recall free?
Recall offers a basic free plan plus paid subscriptions. The free plan includes 10 AI summaries per month, unlimited saves, and the knowledge graph; the enhanced plan ($10/month) adds unlimited summaries and quizzes; the Pro plan ($38/month) supports choosing top-tier models.
What can Recall be used for?
Recall is a personal AI knowledge base that saves and summarizes web pages, PDFs, videos, and podcasts in one click. It auto-extracts tags to build a knowledge graph and lets you hold multi-model conversations with your saved knowledge.
How does Recall help me build a personal knowledge base?
Whenever you save something, Recall's AI automatically extracts, organizes, and tags the information. It creates smart links between items, forming a visual knowledge network that makes connections easy to discover.
What types of content does Recall support?
Recall supports a wide range of formats: standard web articles, long PDF documents, YouTube videos, podcast audio, and even long posts on social platforms like Reddit and X.
How is Recall different from traditional note apps?
Unlike tools that rely on manual organizing, Recall is highly AI-native: it captures content, generates summaries, and builds a tag network automatically, with a built-in quiz system for active memory — saving enormous manual effort.
What is Recall's spaced repetition feature?
It is the mechanism that turns information into long-term memory. Recall generates test questions from what you save and follows the scientific forgetting curve, prompting you to review and test at the right times.