# ChatMemo - AI Knowledge Hub — Collect and Chat to your Memos > AI-powered knowledge hub for collecting and querying multimedia content. (iPhone/iPad app by Liang Wang.) - Source: https://appshunter.io/ios/app/chatmemo-ai-knowledge-hub/id6670698215 (this page in markdown: same URL + `.md`) - Developer: [Liang Wang](https://appshunter.io/developer/1661056699) - Category: Productivity - Price: Free with in-app purchases - Rating: 5.00/5 from 2 App Store ratings · 1 written reviews indexed - Age rating: 17+ - Requires: iOS 17.0 · 14 MB - Languages: American English - Released: 2024-10-08 - Data updated: 2026-06-10 - Monetization: freemium - User reviews in markdown: https://appshunter.io/ios/app/chatmemo-ai-knowledge-hub/id6670698215/reviews.md ## What is ChatMemo? ChatMemo - Your Personal AI Knowledge Hub - Multimedia Content Collection: Supports various media formats, including text, images, webpages, videos, audio, and files, helping users easily build a personalized knowledge base. - AI-powered Semantic Search Technology: Leverage the power of LLM, users can ask questions in natural language, and ChatMemo intelligently analyzes the collected memos to organize accurate answers. - Automatic File Type Recognition: The app can automatically recognize the type of input files, such as webpages or notes, making content management easier for users. - Voice Input Support: Supports real-time voice-to-text conversion, enhancing input efficiency. - Intelligent Text Optimization: Provides a one-click AI optimization feature to automatically improve the quality of user-input text. - Key Information Extraction from Webpages: Quickly extracts key information from webpage, youtube videos, PDF files helping users read and understand content efficiently. - Powerful Image Recognition: Features image recognition capabilities that generate detailed descriptive text and related information tags, helping users understand image content. Terms of Use: https://www.chatmemo.app/terms-of-service.html Privacy Policy: https://www.chatmemo.app/privacy-policy.html Contact Us: https://www.chatmemo.app/contact.html ## Key features - Multimedia content collection - AI-powered semantic search - Voice input support - Intelligent text optimization - Key information extraction - Image recognition ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | ChatMemo Pro Monthly | $5.99 | per month | | ChatMemo Pro AI Monthly | $14.99 | per month | | ChatMemo Pro Yearly | $47.90 | per year | | ChatMemo Pro AI Yearly | $119.00 | per year | ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/chatmemo-ai-knowledge-hub/id6670698215/reviews.md ### 5/5 — Simply Exceptional *2025-01-25* Anyone who has not tried this app is seriously missing out on a great capturing system. I am very happy with how the app captures content and creates AI summaries for it. The Chrome extension works really well too. ## Frequently asked questions about ChatMemo ### What kind of content can I collect with ChatMemo? ChatMemo supports a wide range of multimedia content, including text, images, webpages, videos, audio, and files. This allows you to build a comprehensive and personalized knowledge base. ### How does ChatMemo's AI search work? The app utilizes LLM technology for AI-powered semantic search. You can ask questions in natural language, and ChatMemo will intelligently analyze your collected memos to provide accurate answers. ### Does ChatMemo have ads? No, ChatMemo does not contain advertisements. The app focuses on providing a seamless user experience without interruptions from ads. ### What are the subscription options for ChatMemo Pro? ChatMemo offers several subscription plans, including ChatMemo Pro Monthly for $5.99, ChatMemo Pro AI Monthly for $14.99, ChatMemo Pro Yearly for $47.90, and ChatMemo Pro AI Yearly for $119.00. ### Can I extract information from webpages and videos with ChatMemo? Yes, ChatMemo is designed to efficiently extract key information from webpages, YouTube videos, and PDF files. This helps you quickly understand and process content. ### What devices is ChatMemo available on? ChatMemo is currently supported on iPhone and iPad devices. It is designed to leverage the capabilities of these Apple platforms. ### How often is ChatMemo updated? The latest version of ChatMemo is 1.3, and it was last updated on December 11, 2024. This indicates a relatively active development cycle. ### What is the age rating for ChatMemo? ChatMemo has an age rating of 17+. This is likely due to the advanced AI features and the potential for users to input and process a wide range of information. ## Version history (last 4 releases) ### 1.3 — 2024-12-11 - AI Summarization for PDF Files ### 1.2 — 2024-11-20 - UX upgrading - Chat to your memos using natural language ### 1.1 — 2024-10-11 - Update App Images - Bug fix ### 1.0 — 2024-10-09 No release notes. ## Apps similar to ChatMemo | App | Rating | Price | Category | | --- | --- | --- | --- | | [File Transfer-save videos pic](https://appshunter.io/ios/app/file-transfer-save-videos-pic/id1583532706) | 4.4 (154) | Free | Productivity | | [Internxt](https://appshunter.io/ios/app/internxt/id1465869889) | 2.8 (73) | Free | Productivity | | [DEVONthink To Go 3](https://appshunter.io/ios/app/devonthink-to-go-3/id1541605051) | 4.8 (1,507) | Free | Productivity | | [Read it later: Twilar](https://appshunter.io/ios/app/read-it-later-twilar/id1511758159) | 4.8 (49) | Free | Productivity | | [即我-记想法灵感闪念日记](https://appshunter.io/ios/app/id6480506979) | 4.2 (5) | Free | Productivity | | [Raindrop.io](https://appshunter.io/ios/app/raindropio/id1021913807) | 4.5 (60) | Free | Productivity | ## More apps by Liang Wang - [ReadWell: Save for later](https://appshunter.io/ios/app/readwell-save-for-later/id1661056697) - [BookNotes \| Save Highlights](https://appshunter.io/ios/app/booknotes-save-highlights/id1669869271) - [BoringNote – Chat Style Notes](https://appshunter.io/ios/app/boringnote-chat-style-notes/id6762067713) All apps by Liang Wang: https://appshunter.io/developer/1661056699 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*