Course Hero 记录了 5,163,395 月访问量，月度环比增长为 -1.4%，定价为免费增值。Text Selected 记录了 0 月访问量，增长率为 —，定价为免费。
Text Selected is a lightweight Chrome extension that lets you highlight text on any web page and press the context-menu command to get a matching answer. It looks up the selection in a remote JSON dataset and shows the result in an alert.
| 维度 / 指标 | | |
|---|---|---|
| 官方域名 | coursehero.com | chromewebstore.google.com |
| 定价模式 | 免费增值 | 免费 |
| 月访问量 | 516.34万 (5,163,395) | 0 (0) |
| 月度环比流量变化 | -7.23万 (-1.4%) | 0 (—) |
| 主要市场与份额 | 🇺🇸 美国 (55%) | 🌐 全球 (—) |
| 直接访问 / 月 | 86.7万 | 0 |
| 用户评分 | 3.7 | 1.8 |
| 支持的平台 | 网站 | 浏览器扩展 |
学习资料库、AI 作业辅导与 24/7 导师服务，一站式整合
按学校与课程检索，获取来自数千所院校学生分享的课堂笔记、学习指南、历年考题与作业解答。
提交问题后获得 AI 生成的讲解与推荐学习内容，而不是一个没有解释的最终答案。
任何时段都可向核心学科的导师提问，通常几分钟内收到经过专家审核的完整作答。
以结构化的分步解答方式攻克教材习题与数学题，而不是只给答案对照表。
Text Selected is a lightweight Chrome extension that lets you highlight text on any web page and press the context-menu command to get a matching answer. It looks up the selection in a remote JSON dataset and shows the result in an alert.
Works with any page: highlight a word or phrase and use the context menu to submit it.
The selection is sent to a remote service that searches a JSON file for a corresponding answer.
Results appear immediately in a browser alert so you can read them without leaving the page.
Small, focused add-on that does one job: fetch relevant information for the text you selected.
专项更强A general-purpose conversational AI assistant capable of solving complex academic problems and explaining concepts.
提供一站式 AI 作业解答和考试预测，但缺乏 Course Hero 庞大的用户上传资料库。
专项更强Combines exam preparation materials and coursework feedback with a dedicated AI study tutor.
专项更强Combines exam preparation materials and coursework feedback with a dedicated AI study tutor.
利用 AI 将课程教材转化为交互式卡片、测验和学习笔记，专注于主动学习。
划重点、公开学习，打造属于你的 AI 分身
提供共享的大学学习资料，并结合了 AI 闪卡和问答聊天功能。
Combines instant homework help, lecture note transcription, and quiz generation into an all-in-one study assistant.
Combines instant homework help, lecture note transcription, and quiz generation into an all-in-one study assistant.
专项更强An AI-powered learning platform that generates personalized courses, lessons, quizzes, and homework help on demand.
