Knowt 每月有 4,183,953 次造訪,月增率 +5.4%,定價模式為免費。Mapify 每月有 491,737 次造訪,成長率 -10%,定價模式為免費增值。
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.

把 PDF、影片、網頁與錄音轉成結構化 AI 心智圖
拖入 PDF、YouTube 連結、網頁、Podcast、會議錄音、圖片或一段文字,幾秒內得到結構化心智圖。
針對文件或影片追問細節,並把答案直接加為心智圖上的新分支。
從節點跳回影片中的確切時間點,並有自動生成的完整逐字稿可對照。
以連結分享,或匯出為圖片、PDF、Markdown,還能把同一張圖切換成簡報投影片。
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。
專項更強跨裝置的免費 AI PDF 編輯、轉換與閱讀工具
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.
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.

專項更強Tailored specifically for student study workflows with integrated flashcards and quizzes, rather than broad professional content summarization.
專項更強Tailored specifically for student study workflows with integrated flashcards and quizzes, rather than broad professional content summarization.