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正面對決基準比較
Goodnotes vs Underleaf
Goodnotes 每月有 3,227,341 次造訪，月增率 +10.8%，定價模式為免費增值、免費試用。Underleaf 每月有 222,941 次造訪，成長率 -1.9%，定價模式為免費增值。
手寫筆記、PDF 註記與 AI 學習工具，都在同一塊畫布上
每月造訪次數
322.73萬
月成長速度
+10.8%
主要市場
🇺🇸 美國
Goodnotes 每月有 3,227,341 次造訪，月增率 +10.8%，定價模式為免費增值、免費試用。Underleaf 每月有 222,941 次造訪，成長率 -1.9%，定價模式為免費增值。
手寫筆記、PDF 註記與 AI 學習工具，都在同一塊畫布上
Underleaf is an AI LaTeX assistant that converts handwritten notes, photos, PDFs, Word files, and spreadsheets into clean, compilable LaTeX, and adds academic writing tools on top.
| 面向／指標 | | |
|---|---|---|
| 官方網域 | goodnotes.com | underleaf.ai |
| 定價模式 | 免費增值、免費試用 | 免費增值 |
| 每月造訪次數 | 322.73萬 (3,227,341) | 22.29萬 (222,941) |
| 月流量變化量 | +31.47萬 (+10.8%) | -4251 (-1.9%) |
| 主要市場與市佔 | 🇺🇸 美國 (33.8%) | 🇺🇸 美國 (19.7%) |
| 每月直接造訪 | 163.89萬 | 2.69萬 |
| 使用者評分 | 4.4 | 4.5 |
| 支援平台 | 網站 | 網站 |
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。
Underleaf is an AI LaTeX assistant that converts handwritten notes, photos, PDFs, Word files, and spreadsheets into clean, compilable LaTeX, and adds academic writing tools on top.
Converts handwritten notes, photos and screenshots, scanned papers, Word documents, tables, and spreadsheets into LaTeX code that compiles rather than a rough approximation you must retype.
Uploads multi-page PDFs and lets you choose which pages to convert, returning one structured document with sections, numbered equations, tables, and figures in the right places.
Reads equations, matrices, integrals, and aligned derivations at a stated 98%+ accuracy, and can turn diagrams and plots into TikZ.
Drafts abstracts, summaries, and thesis statements; rewrites for clarity without losing your meaning; and looks up citations with BibTeX in the same place.
專項更強由 DeepSeek-V4 與 R1 驅動的高效開源權重與託管推理 AI，token 成本極低。
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.
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。
將科學公式與 PDF 轉換為 LaTeX 的行業標準，但缺少 Underleaf 的專用寫作工作區。
專項更強Provides technical grammar checking for academic writing without offering LaTeX OCR or compilation features.
專項更強Provides technical grammar checking for academic writing without offering LaTeX OCR or compilation features.
專項更強Uses an infinite visual canvas for note organization, but lacks Goodnotes' paper templates and PDF annotation polish.
