MyMemo vs 23Brain
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MyMemo
This AI-powered tool helps you manage and organize your personal knowledge by collecting digital content from various online sources. It uses AI to extract insights, answer your questions, and provide AI-driven recaps to stimulate learning and understanding.
- Collects digital content from internet sources
- AI-driven content analysis and insight extraction
- Answers user queries about collected knowledge
- AI-generated recaps for reflective learning
- Natural language chat for information retrieval
- Organized and secure knowledge database
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MyMemo AI is an AI-driven tool designed to manage and organize personal knowledge. It allows users to collate digital content from different internet sources including articles, videos, links, screenshots, and files into a single, accessible platform. This tool strategically harnesses AI technology to process the collected content, identify key data points, and extract relevant insights. These insights contribute to a personalized knowledge database, ready to answer user queries and stimulate their understanding. Using its AI capabilities, MyMemo can generate quick responses to user questions, removing the need for manual organization. Content understanding and extraction is a core feature of MyMemo, where AI not only stores but also understands and analyzes user content. This deep analysis and key information extraction transforms the uploaded content into a treasure trove of accessible knowledge. MyMemo also encourages reflective learning through AI-driven recaps which help users revisit key concepts and ideas, offering new perspectives and connections that may have been missed initially. MyMemo can also facilitate a natural language chat querying information about the user's knowledge base, thereby enhancing the accessibility of information. With an emphasis on secure, organized, and efficient knowledge management, MyMemo is equipped with features to ease the process of retrieving information, making it a comprehensive knowledge database. [Automatic Subscription Service Description] 1. Subscription Services: a) MyMemo AI Pro Plan b) MyMemo AI Ultra Plan 2. Subscription Prices: a) MyMemo AI Pro Version: Continuous monthly product for $9.9 /month, continuous annual product for $70.99 /year b) MyMemo AI Ultra Version: Continuous monthly product for $19.9 /month, continuous annual product for $142.9 /year 3. Payment: The user's payment will be charged to their iTunes account after confirmation of purchase 4. Auto-Renewal: The Apple iTunes account will be charged 24 hours before expiration, and the subscription period will extend by one cycle after successful payment 5. Service Cancellation: You can manage the automatic subscription service by going to "Settings" on your iPhone --> "iTunes Store and App Store" --> Click "Apple ID", select "View Apple ID", enter the "Account Settings" page, click "Subscriptions". To cancel, turn off the service 24 hours before the end of each billing cycle. No charge will be made within 24 hours before expiration. 6. User Agreement: https://www.mymemo.ai/user-agreement 7. Privacy Policy: https://www.mymemo.ai/privacy-policy
23Brain
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Your second and third brain for smarter learning 23Brain helps you collect, summarize, and retain knowledge from everything you read, watch, or listen to — powered by AI. Build a personal learning system that grows with you. How it works • Summarize any content automatically Save links, videos, or PDFs — 23Brain generates concise, AI-powered summaries. • Learn on the go Listen to audio summaries anywhere and make use of your time more efficiently. • Organize with collaborative collections Group related topics, share insights, or explore curated watchlists. • Retain knowledge with AI-generated quizzes Reinforce what you’ve learned through personalized quizzes that adapt to your interests. • Chat with your second brain Ask questions, connect ideas, and reflect on what you’ve learned through intelligent conversations. • Track your progress Stay motivated with streaks, insights, and detailed learning statistics. Why 23Brain Unlike traditional note-taking tools, 23Brain helps you remember more and understand faster — not just store information. It’s your personal AI companion for continuous learning and long-term growth. Key features • AI summaries for articles, videos, and podcasts • Audio playback for summaries • Personalized quizzes and progress insights • Collaborative collections and watchlists • Multi-language support for 12 languages including English, German, and Hindi • Light and Dark Mode Start building your second brain today. Turn what you learn into knowledge that lasts.
Screenshots
Verdict
The clearest difference is iOS requirement: 23Brain at 13.0 against MyMemo's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. MyMemo sells 4 in-app purchases, starting at $5.90 per month and 23Brain sells 4 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.
MyMemo ships an update weekly, 23Brain every 8 days. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.
| Parameter | MyMemo | 23Brain |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (150 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 150 — better | — |
| Update frequency | Weekly — better | Every 8 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Subscription | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 47 MB | 76 MB |
| Age rating | 12+ | 4+ |
| Developer | MyMemo AI | Felix Seip |
In-app purchases
MyMemo
- Monthly Subscription for Pro$5.901 Month
- Monthly Subscription for Ultra$11.901 Month
- Annual Subscription for Pro$44.991 Year
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- Annual Subscription for Ultra$118.991 Year
23Brain
- Pro (Monthly)3 Days trial$12.991 Month
- Ultra (Monthly)3 Days trial$24.991 Month
- Pro (Yearly)3 Days trial$99.991 Year
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- Ultra (Yearly)3 Days trial$249.991 Year









