EchoRead vs 知我 AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EchoRead
This app transforms reading highlights into visual mind maps and uses AI with the Feynman learning method to deepen understanding. It helps organize notes from various sources, connect ideas, and create personalized learning experiences like reading podcasts and summaries.
- Convert highlights to mind maps
- AI-powered Q&A and note linking
- Automatic idea connections
- Feynman learning modes
- Generate reading podcasts
- Create structured summaries
- Card notes with cross-linking
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Turn your book highlights into visual mind maps — powered by AI. EchoRead transforms how you read, think, and remember. Import highlights from Kindle, WeRead, and PDFs, then watch AI organize them into beautiful mind maps. With the Feynman learning method built in, you don’t just collect notes — you truly understand them. Rated 4.88 on the App Store --- HIGHLIGHTS TO MIND MAPS, INSTANTLY Import reading highlights from Kindle, WeRead (微信读书), and PDFs. EchoRead’s AI automatically structures them into clear, visual mind maps — no manual organizing needed. See the big picture of any book at a glance. LEARN DEEPER WITH THE FEYNMAN METHOD Go beyond passive highlighting with three AI-powered learning modes: - Concept Learning — Break down complex ideas into simple explanations - Reading Partner — Discuss books with an AI companion - Quiz Me — Test your understanding and strengthen recall DISCOVER HIDDEN CONNECTIONS EchoRead automatically finds related notes across all your books using deep learning. See how ideas from different authors connect — without lifting a finger. TURN YOUR NOTES INTO PODCASTS Transform your book highlights and reflections into engaging, conversational podcasts. Listen to your reading insights on the go — a feature no other reading app offers. CAPTURE EVERY INSIGHT - Sentence Analysis — Annotate any highlight with AI-powered Q&A - Card Notes — Record quick ideas with automatic cross-book linking - Personal Summaries — Write chapter-level and book-level reflections - Full Book Notes — Generate complete mind map or document summaries --- IMPORT FROM YOUR FAVORITE PLATFORMS - Amazon Kindle highlights - WeRead (微信读书) - PDF highlights & annotations - XMIND mind maps - Manual input --- BUILT FOR READERS WHO WANT TO REMEMBER Most reading apps help you collect highlights. EchoRead helps you understand them. From highlight to mind map to deep learning — EchoRead closes the loop between reading and true knowledge. Start for free. Download EchoRead and import your first book today. --- Subscription Information: - Payment: Your iTunes account will be charged after purchase confirmation. - Cancellation: Turn off auto-renewal at least 24 hours before the current period ends to avoid being charged. - Renewal: Your account will be charged within 24 hours before the period ends for renewal.
知我 AI
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知我 AI 是为个人使用设计的长期记忆系统。 由 DeepSeek V4 提供模型能力,知我负责长期记忆与连续理解:不只回答当下问题,还会把真正重要的背景带到下一次交流。 它适合想让 AI 长期理解自己的人:你的偏好、目标、项目、原则、重要关系和近期状态,会逐步沉淀成可查看、可纠错、可忘记的长期画像。下一次交流时,知我会引用相关记忆,不用每次从零解释。 主要功能: - 记忆大脑首页:打开就能看到最近新增理解、反复得到验证的记忆和正在跟进的事。 - 自动形成长期画像:从对话中提炼偏好、事实、目标、项目原则、重要事件和后续动作。 - 记忆可回看、可纠错、可忘记:每条记忆都能查看来源摘录,发现不准确时可以直接修改、停用或删除。 - 回答会解释引用:后续提问时,知我只引用少量高价值记忆,并显示参考了哪些记忆。 - URL 资料入口:粘贴网页链接后,知我会读取资料、生成摘要并标注来源。网页内容会被视为外部资料,不会默认变成你的个人事实。 - 最近理解与本地导出:在需要时生成今日理解更新,或导出 Markdown 进行备份和迁移。 知我 AI 的核心不是普通聊天、记录或复盘,而是长期记忆与连续理解。它会尽量低打扰、低成本、可恢复、可纠错地帮助 AI 越来越理解你。 注意: - 当前版本不提供账号系统或多设备同步。 - 记忆主要保存在本机,删除 App 或清除数据可能导致本地记忆丢失。 - 为生成回答、摘要和长期记忆整理,用户输入、URL 内容和相关记忆会发送到后端 AI 代理及模型服务处理。 - 当前版本不做高权限 Agent,不替你自动执行外部操作,不做录音或 ASR 套壳。 - 知我 AI 不提供医疗、法律、金融等专业建议。
Screenshots
Verdict
The clearest difference is in-app purchases: 知我 AI at none against EchoRead's 8. EchoRead's advantage is update cadence (weekly vs every 2 weeks). On price, ads, device support and iOS requirement 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. EchoRead sells 8 in-app purchases, starting at $4.99 per month. 知我 AI asks for nothing beyond the download.
EchoRead ships an update weekly, 知我 AI every 2 weeks. The most recent releases landed on September 26, 2026 and September 22, 2026 respectively.
| Parameter | EchoRead | 知我 AI |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Weekly — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 68 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Wei Lai Zhi Tu Tech Inc | 杰栋 何 |
In-app purchases
EchoRead
- 1 Month Membership$4.991 Month
- 1 Month Pro Member$8.991 Month
- 3 Month Membership$12.993 Months
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- 3 Month Pro Membership$25.993 Months
- 1 Year Memebership$49.991 Year
- 1 year Pro Member$89.991 Year
- Quota package$2.99
- 100 Import Quota$8.99
知我 AI
No in-app purchases









