CastReader 记录了 55,999 月访问量，月度环比增长为 +9.8%，定价为免费增值。Studocu 记录了 39,297,122 月访问量，增长率为 +1.1%，定价为免费增值。
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.
| 维度 / 指标 |  | |
|---|---|---|
| 官方域名 | castreader.com | studocu.com |
| 定价模式 | 免费增值 | 免费增值 |
| 月访问量 | 5.6万 (55,999) | 3929.71万 (39,297,122) |
| 月度环比流量变化 | +4983 (+9.8%) | +43.05万 (+1.1%) |
| 主要市场与份额 | 🇺🇸 美国 (56%) | 🇺🇸 美国 (12.3%) |
| 直接访问 / 月 | 1.97万 | 649.61万 |
| 用户评分 | 4.4 | 4.4 |
| 支持的平台 | 网站 | 网站 |
为网页、PDF、Kindle 电子书与 AI 回答朗读，并同步高亮
自然 AI 语音朗读网页、PDF、电子书与文档，逐词高亮并自动滚动，让你始终不迷路。
不只朗读难段，还用你最熟悉的语言总结并拆解其含义，同时用动画笔在原文中标注关键句。
覆盖 Kindle、微信读书、Google Play Books、O'Reilly 等图书平台，新闻与订阅网站，Google Docs、Notion、Gmail，以及 ChatGPT、Claude、Gemini、DeepSeek、Kimi 的回答。
试听多种语言的真实语音样本，并可创建私人克隆声音，Pro 会员可将其应用于自己的 PDF、EPUB、Word、TXT 文件。
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.
Search a vast, student-contributed library of lecture notes, summaries, study guides and past exams organised by course and institution.
Generate notes, summaries and revision material from documents so you can study the essentials instead of re-reading everything.
Turn study material into interactive quizzes and flashcards so you can test yourself and target weak spots.
Use built-in text-to-speech to listen to study documents on the go, useful for revision during commutes or downtime.
专项更强General-purpose conversational AI that can explain complex concepts and make practice quizzes, but lacks dedicated study note repositories.
专项更强Tailored for specific exam prep and coursework feedback with an AI tutor, rather than open note sharing.
专项更强Tailored for specific exam prep and coursework feedback with an AI tutor, rather than open note sharing.
具备出色的AI视频讲解和互动学习集，但缺乏Studocu庞大的大众收集课程笔记库。
两者的大学共享文档数据库和学习工具非常相似，但这款更专注于欧洲学生社区。
专项更强Converts course notes into personalized flashcards and mind maps, but lacks crowdsourced document sharing.
