Knowt 每月有 4,183,953 次造訪，月增率 +5.4%，定價模式為免費。Qsafe（C9Lab）每月有 28,077 次造訪，成長率 +242.1%，定價模式為需聯絡報價。
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.
| 面向／指標 |  | |
|---|---|---|
| 官方網域 | knowt.com | c9lab.com |
| 定價模式 | 免費 | 需聯絡報價 |
| 每月造訪次數 | 418.4萬 (4,183,953) | 2.81萬 (28,077) |
| 月流量變化量 | +21.48萬 (+5.4%) | +1.99萬 (+242.1%) |
| 主要市場與市佔 | 🇺🇸 美國 (69.6%) | 🌐 全球 (—) |
| 每月直接造訪 | 274.15萬 | 1.08萬 |
| 使用者評分 | 4.3 | 4.1 |
| 支援平台 | 網站 | 網站 |
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.
Upload up to 30 files and Kai instantly produces notes, flashcards, summaries, and practice resources from them.
Convert Quizlet, Kahoot, Wayground, and YouTube content, or record live lectures to generate notes and study sets.
Upload class files to get a study plan and exam prediction that highlights what your professor emphasizes most.
Kai quizzes you by voice and can turn any note or flashcard into a podcast for study on the go.
AI 數位風險防護與品牌侵權下架
監控針對你品牌與客戶的釣魚頁面、近似網域與錯拼網域等冒充基礎設施。
追蹤應用商店與社群平台上的仿冒應用、冒充帳號與濫用你身分的詐欺頁面。
監測暗網管道中的品牌濫用、憑證外洩與相關提及，提前預警針對你組織的詐欺活動。
提供惡意內容下架流程，並配有分析師團隊負責升級處置與品牌事件應變。
專項更強Comprehensive student study platform specialized in solving complex homework and exam prediction, but less focused on flashcards.
專項更強Comprehensive student study platform specialized in solving complex homework and exam prediction, but less focused on flashcards.
互動式 AI 學習平台，可將課程教材轉為字卡和測驗，但包含更多影片解說。
Converts notes and PDFs into interactive flashcards and audio podcasts, but less established brand presence.
Converts notes and PDFs into interactive flashcards and audio podcasts, but less established brand presence.
免費 / 開源支援句子級洞察的多語言 AI 檢測工具
University learning platform combining shared notes with AI flashcard generation, but heavier community focus.
University learning platform combining shared notes with AI flashcard generation, but heavier community focus.
免費 / 開源不只給分數，還標出證據的 AI 檢測器
