Goodnotes 记录了 3,227,341 月访问量，月度环比增长为 +10.8%，定价为免费增值，免费试用。Notability 记录了 0 月访问量，增长率为 0%，定价为免费增值。
手写笔记、PDF 批注与 AI 学习工具，都在同一块画布上
| 维度 / 指标 | |  |
|---|---|---|
| 官方域名 | goodnotes.com | notability.ai |
| 定价模式 | 免费增值，免费试用 | 免费增值 |
| 月访问量 | 322.73万 (3,227,341) | 0 (0) |
| 月度环比流量变化 | +31.47万 (+10.8%) | 0 (0%) |
| 主要市场与份额 | 🇺🇸 美国 (33.8%) | 🌐 全球 (—) |
| 直接访问 / 月 | 163.89万 | 0 |
| 用户评分 | 4.4 | 4.2 |
| 支持的平台 | 网站 | 网站 |
手写笔记、PDF 批注与 AI 学习工具，都在同一块画布上
低延迟墨迹、防误触手掌识别、划掉即擦除以及手写转文字，让书写接近纸笔手感。
导入合同、论文或教材，用手直接标注，批注可搜索并可干净导出。
同时检索键入文本、手写与速写，并把笔记转成摘要、思维导图或结构化计划。
在共享笔记本、文档和白板上同时协作，不再有版本冲突或反复传文件。
不止于记录的笔记：从手写与录音中生成 AI 摘要、测验与抽认卡。
记笔记、导入文档或录制音频，Notability 即可实时生成内容全面的书面摘要。
Notability 会自动从你的笔记中生成练习题、测验和抽认卡，把学习材料变为主动回忆练习。
针对某条笔记向 Notability 提问并获得即时解释，无需离开当前页面即可厘清概念。
手写、语音转写和键入文本共存于同一画布，让 Notability 同时适用于讲座和会议。
专项更强Studocu is a global study platform where students share and access lecture notes, summaries, study guides and past exams, with an AI assistant, quizzes, flashcards and note tools to help them learn faster.
专项更强NoteGPT is an AI agent that handles research, summarizing, transcription, document writing, slides, spreadsheets, and media generation for work and study. It routes tasks across several leading LLMs and delivers editable output files.
Knowt is a free study platform and the most popular Quizlet alternative, combining flashcards, note-taking, and AI study tools. Students can turn PDFs, lecture recordings, slides, and videos into flashcards, notes, and practice tests automatically.
专项更强将课程材料转变为互动式AI学习工具，不过对手写数字笔记本的关注相对较少。
专项更强Stronger online PDF editing and AI chat capabilities, but lacks tablet-optimized handwritten note-taking workflows.
专项更强Stronger online PDF editing and AI chat capabilities, but lacks tablet-optimized handwritten note-taking workflows.
专项更强Converts notes and PDFs into quizzes and flashcards, but lacks stylus-based handwriting and sketching tools.
专项更强Converts notes and PDFs into quizzes and flashcards, but lacks stylus-based handwriting and sketching tools.
专项更强Mindgrasp turns lectures, PDFs, videos, and web links into a complete AI study system, generating structured notes, summaries, flashcards, quizzes, and a 24/7 tutor so students can study smarter.
专项更强ThetaWave AI is an AI note taker for students that captures live lectures and converts PDFs, slides, videos, YouTube links, and articles into structured notes, flashcards, quizzes, and mind maps — all in one study workspace.
专项更强ThetaWave AI is an AI note taker for students that captures live lectures and converts PDFs, slides, videos, YouTube links, and articles into structured notes, flashcards, quizzes, and mind maps — all in one study workspace.
将笔记整理成互相连接的类型化对象，而非传统笔记本，但缺乏手写笔触支持。
