Flexnote: Combines infinite canvas mind mapping with local-first storage, but lacks tablet handwriting and stylus optimization. Flexnote 每月有 41,017 次造訪，月增率 +113.1%，定價模式為免費增值。Goodnotes 每月有 3,227,341 次造訪，成長率 +10.8%，定價模式為免費增值、免費試用。
手寫筆記、PDF 註記與 AI 學習工具，都在同一塊畫布上
| 面向／指標 | | |
|---|---|---|
| 官方網域 | myflexnote.com | goodnotes.com |
| 定價模式 | 免費增值 | 免費增值、免費試用 |
| 每月造訪次數 | 4.1萬 (41,017) | 322.73萬 (3,227,341) |
| 月流量變化量 | +2.18萬 (+113.1%) | +31.47萬 (+10.8%) |
| 主要市場與市佔 | 🇨🇳 中國 (74.6%) | 🇺🇸 美國 (33.8%) |
| 每月直接造訪 | 1.76萬 | 163.89萬 |
| 使用者評分 | 4.4 | 4.4 |
| 支援平台 | 網站 | 網站 |
本地優先的無限畫布視覺筆記，結合心智圖與知識庫 AI
在畫布上任意擺放卡片，再切換心智圖或資料庫檢視查看結構，無需重排筆記。
在畫布上標亮、批註 PDF，並對影片做時間戳筆記；標亮會自動變成參考卡片。
語意搜尋、知識庫問答與內容檢索幫你找到對的筆記；聊天可使用你自己的模型 API 金鑰。
檔案預設存在裝置上，可透過 WebDAV、S3、OneDrive 或百度網盤跨裝置同步，憑證由你掌握。
手寫筆記、PDF 註記與 AI 學習工具，都在同一塊畫布上
低延遲墨跡、防誤觸手掌辨識、劃掉即擦除以及手寫轉文字，讓書寫接近紙筆手感。
匯入合約、論文或教材，用手直接標註，註記可搜尋並可乾淨匯出。
同時檢索鍵入文字、手寫與速寫，並把筆記轉成摘要、心智圖或結構化計畫。
在共享筆記本、文件和白板上同時協作，不再有版本衝突或反覆傳檔案。
專項更強將課程教材轉化為互動式 AI 學習工具，但較少專注於手寫數位筆記本。
專項更強Stronger online PDF editing and AI chat capabilities, but lacks tablet-optimized handwritten note-taking workflows.
專項更強Stronger online PDF editing and AI chat capabilities, but lacks tablet-optimized handwritten note-taking workflows.
專項更強Converts notes and PDFs into quizzes and flashcards, but lacks stylus-based handwriting and sketching tools.
專項更強Converts notes and PDFs into quizzes and flashcards, but lacks stylus-based handwriting and sketching tools.
Whimsical is a collaborative visual workspace that combines diagrams, flowcharts, mind maps, wireframes, documents and whiteboards on one infinite canvas, with AI tools that turn a prompt into a structured visual in seconds.
把任何學習素材變成視覺化學習集、閃卡與測驗
MindMap AI is an AI mind map generator that starts from a prompt, PDF, video, audio file or webpage and returns a structured map you can edit by hand or refine in chat. Manual mind mapping is free forever, and AI credits are the paid layer.
MindMap AI is an AI mind map generator that starts from a prompt, PDF, video, audio file or webpage and returns a structured map you can edit by hand or refine in chat. Manual mind mapping is free forever, and AI credits are the paid layer.
將筆記整理成互相連結的類型化物件，而非傳統筆記本，但缺乏手寫筆觸支援。
iWeaver is an AI productivity platform built around your own knowledge base. Upload documents, videos, audio or web pages, then use specialised AI agents to summarise, analyse, visualise and write, so research and reporting happen in one workspace instead of many tabs.
iWeaver is an AI productivity platform built around your own knowledge base. Upload documents, videos, audio or web pages, then use specialised AI agents to summarise, analyse, visualise and write, so research and reporting happen in one workspace instead of many tabs.
AI 概念圖、單字卡與學習工具一站式平台
