Grammarly 每月有 58,867,412 次造訪，月增率 -1.5%，定價模式為免費增值。SmartStudi.com 每月有 1,898 次造訪，成長率 -55.4%，定價模式為免費增值、免費試用。
提供即時文法糾錯、語氣校準、寫作來源追蹤與團隊風格指南的跨平台 AI 寫作助理。
SmartStudi.com is a suite of AI writing tools for students that combines an AI and plagiarism detector with a paraphraser, an undetectable AI chatbot, an essay generator, a citation generator, a summariser and a grammar checker. Tools work through the web app or a sidebar Chrome extension, and a single subscription unlocks everything.
| 面向／指標 | | |
|---|---|---|
| 官方網域 | grammarly.com | smartstudi.com |
| 定價模式 | 免費增值 | 免費增值、免費試用 |
| 每月造訪次數 | 5886.74萬 (58,867,412) | 1898 (1,898) |
| 月流量變化量 | -91.61萬 (-1.5%) | -2357 (-55.4%) |
| 主要市場與市佔 | 🇺🇸 美國 (51.9%) | 🇺🇸 美國 (90.2%) |
| 每月直接造訪 | 2539.87萬 | 748 |
| 使用者評分 | 4.4 | 3.4 |
| 支援平台 | 網站 | 網站 |
提供即時文法糾錯、語氣校準、寫作來源追蹤與團隊風格指南的跨平台 AI 寫作助理。
在 Chrome、Safari、Firefox、Edge、Windows、Mac、Google Docs、MS Office 與行動鍵盤中原生運行，標出文法錯誤、重寫繞口句子，並將語氣轉向自信、共情或高階主管口吻。
部署具上下文感知的 AI 代理，預測目標受眾會如何反應草稿、定位可信的支撐引文、依評分規準批改文章，並在 Pro 方案下每月使用最多 2,000 次提示生成草稿。
對照數十億網頁與學術資料庫掃描文字以找出無意抄襲，識別 AI 生成的段落，並透過 Google Docs 與 Word 中的 Authorship 報告透明記錄文件來源。
讓 Pro 與 Enterprise 方案的團隊能夠固化公司術語、禁用過時行話、強制使用包容性語言、插入共享片段，並在行內顯示公司內部定義。
SmartStudi.com is a suite of AI writing tools for students that combines an AI and plagiarism detector with a paraphraser, an undetectable AI chatbot, an essay generator, a citation generator, a summariser and a grammar checker. Tools work through the web app or a sidebar Chrome extension, and a single subscription unlocks everything.
Scan writing with a frequently updated AI content detector and a plagiarism scanner that presents conservative, consistent results.
Rewrite academic text with a paraphraser tuned to produce natural, human-reading prose, with file upload and language options.
Use a chatbot that answers like a general assistant but is designed to produce responses that pass popular AI detectors.
Generate complete citations and annotated bibliographies up to 20 sources at once, plus summarise long texts and check grammar.
專項更強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.
ZeroGPT is an AI content detection platform with a text AI detector, AI image and video detectors, AI humanizer, plagiarism checker, and a set of writing tools including paraphraser, summarizer, grammar checker, translator, and citation helper.
專項更強GPTZero is an AI detection platform for identifying machine-generated text. It combines a text detector with a Chrome extension, a plagiarism checker, writing-process verification, and educator-focused classroom tools.
結合同儕級學術校對、抄襲比對與 AI 寫作工具
提供強大的跨應用程式多語言文法與風格檢查，但進階生成式 AI 功能較少。
提供更深入的文稿分析與結構報告，但學習曲線比 Grammarly 陡峭。
專項更強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.
專項更強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.
專項更強支援句子級洞察的多語言 AI 檢測工具
專項更強能視覺化突顯可讀性與句子複雜度，但缺乏自動語法修正和全瀏覽器擴充功能支援。
專項更強能視覺化突顯可讀性與句子複雜度，但缺乏自動語法修正和全瀏覽器擴充功能支援。
非常適合句子層級的語氣調整與重寫，但在獨立的文法規則與風格指南方面較不全面。
Quetext is an online writing-integrity platform built around its DeepSearch™ engine, combining a plagiarism checker, AI content detector, grammar checker, summarizer, humanizer, citation generator and paraphrasing assistant in one dashboard. It is used by students, teachers, copywriters and content teams to confirm that a piece of writing is original, human-written and properly sourced before it is submitted or published.
Quetext is an online writing-integrity platform built around its DeepSearch™ engine, combining a plagiarism checker, AI content detector, grammar checker, summarizer, humanizer, citation generator and paraphrasing assistant in one dashboard. It is used by students, teachers, copywriters and content teams to confirm that a piece of writing is original, human-written and properly sourced before it is submitted or published.
