Grammarly 记录了 58,867,412 月访问量，月度环比增长为 -1.5%，定价为免费增值。Lex 记录了 24,323 月访问量，增长率为 -57.1%，定价为免费增值。
提供实时语法纠错、语气校准、写作来源追踪与团队风格指南的跨平台 AI 写作助手。
| 维度 / 指标 | |  |
|---|---|---|
| 官方域名 | grammarly.com | lex.page |
| 定价模式 | 免费增值 | 免费增值 |
| 月访问量 | 5886.74万 (58,867,412) | 2.43万 (24,323) |
| 月度环比流量变化 | -91.61万 (-1.5%) | -3.23万 (-57.1%) |
| 主要市场与份额 | 🇺🇸 美国 (51.9%) | 🇺🇸 美国 (43.1%) |
| 直接访问 / 月 | 2539.87万 | 1.47万 |
| 用户评分 | 4.4 | 1.8 |
| 支持的平台 | 网站 | 网站 |
提供实时语法纠错、语气校准、写作来源追踪与团队风格指南的跨平台 AI 写作助手。
在 Chrome、Safari、Firefox、Edge、Windows、Mac、Google Docs、MS Office 与移动键盘中原生运行，标出语法错误、重写绕口句子，并将语气转向自信、共情或高管口吻。
部署具上下文感知的 AI 智能体，预测目标受众会如何反应草稿、定位可信的支撑引文、按评分标准批改文章，并在 Pro 方案下每月使用最多 2,000 次提示生成草稿。
对照数十亿网页与学术数据库扫描文本以发现无意抄袭，识别 AI 生成的段落，并通过 Google Docs 与 Word 中的 Authorship 报告透明记录文档来源。
让 Pro 与 Enterprise 方案的团队能够固化公司术语、禁用过时行话、强制使用包容性语言、插入共享片段，并在行内显示公司内部定义。
把写作本身放在中心的 AI 写作工作台
请内置助手点评段落、一起头脑风暴替代方案或重写内容，全程不必离开文档。
键盘驱动的 AI 快捷操作可找到更恰当的词、把要点扩写成段落，或在原地生成一批想法。
可用快捷键浏览的串接评论，加上保存的版本，让你在尝试另一种表达时不会丢失原稿。
分享链接即可一键实时共同编辑，或发送只读链接让别人直接阅读成稿。
专项更强Outstanding for context-aware translation and professional writing refinement, but not designed as a dedicated grammar checker.
专项更强Outstanding for context-aware translation and professional writing refinement, but not designed as a dedicated grammar checker.
QuillBot is an AI writing suite best known for its paraphrasing tool. Users paste or type text and have it rewritten in different tones and styles, while companion tools handle grammar checking, summarizing, citations, plagiarism checks and AI content detection. It is widely used by students, writers and professionals.
QuillBot is an AI writing suite best known for its paraphrasing tool. Users paste or type text and have it rewritten in different tones and styles, while companion tools handle grammar checking, summarizing, citations, plagiarism checks and AI content detection. It is widely used by students, writers and professionals.
提供强大的跨应用多语言语法与风格检查，但高级生成式 AI 功能较少。
提供更深入的文稿分析与结构报告，但学习曲线比 Grammarly 陡峭。
Jenni is an AI research and academic writing workspace that helps students, researchers, and academics read, write, and cite in one place. Bring in PDFs or import a Zotero or Mendeley library, and Jenni's autocomplete suggests sentences grounded in your own sources, with every suggestion linked to the exact page and paragraph. A built-in writer, AI chat, citation engine covering 10,000+ styles, and a Reviews tool for catching weak or unverified claims make it a full environment for producing cited papers.
Jenni is an AI research and academic writing workspace that helps students, researchers, and academics read, write, and cite in one place. Bring in PDFs or import a Zotero or Mendeley library, and Jenni's autocomplete suggests sentences grounded in your own sources, with every suggestion linked to the exact page and paragraph. A built-in writer, AI chat, citation engine covering 10,000+ styles, and a Reviews tool for catching weak or unverified claims make it a full environment for producing cited papers.
写作、检测与摘要的一站式工作台
专项更强Paperpal is an AI writing assistant built for researchers, academics, and students. It proofreads and rewrites academic prose in real time, suggests citations, checks references, and reads PDFs — all from inside Microsoft Word, Google Docs, Overleaf, the Chrome extension, or the web editor.
专项更强Paperpal is an AI writing assistant built for researchers, academics, and students. It proofreads and rewrites academic prose in real time, suggests citations, checks references, and reads PDFs — all from inside Microsoft Word, Google Docs, Overleaf, the Chrome extension, or the web editor.
用可读性与语法反馈，写出更清晰有力的文字
Type.ai is an AI writing assistant and full document editor for long-form creative writing, built for authors, novelists and screenwriters who need to draft and revise book-length work in one place.
Type.ai is an AI writing assistant and full document editor for long-form creative writing, built for authors, novelists and screenwriters who need to draft and revise book-length work in one place.
支持七种改写模式的免费 AI 改写工具
Wordtune is an AI writing assistant from AI21 Labs that rewrites and tightens your sentences in one click, checks grammar, sums up documents and translates other languages into natural English.
Wordtune is an AI writing assistant from AI21 Labs that rewrites and tightens your sentences in one click, checks grammar, sums up documents and translates other languages into natural English.
自带真实文献与自动引文的 AI 学术写作工具
