Knowt 记录了 4,183,953 月访问量，月度环比增长为 +5.4%，定价为免费。Mapify 记录了 491,737 月访问量，增长率为 -10%，定价为免费增值。
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.
Mapify is an AI summarizer and mind-mapping tool that turns PDFs, YouTube videos, web URLs, podcasts, meeting recordings, images and pasted text into structured, editable mind maps. It works across web, mobile and a browser extension, and can also turn a finished map into a slide deck.
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.
Mapify is an AI summarizer and mind-mapping tool that turns PDFs, YouTube videos, web URLs, podcasts, meeting recordings, images and pasted text into structured, editable mind maps. It works across web, mobile and a browser extension, and can also turn a finished map into a slide deck.
Drop in a PDF, YouTube link, webpage, podcast, meeting recording, image or block of text and get a structured map in seconds.
Ask follow-up questions about the document or video, then add the answers as new branches directly to the map.
Jump from a node back to the exact moment in a video, backed by an automatically generated full transcript.
Share via link or export the map as an image, PDF or Markdown, and switch the same map into presentation slides.
专项更强Miro is a collaborative visual workspace where distributed teams diagram, plan, and run workshops on an infinite canvas, now enhanced with AI that can generate diagrams, summaries, and prototypes from board content.
专项更强Comprehensive student study platform specialized in solving complex homework and exam prediction, but less focused on flashcards.
专项更强Comprehensive student study platform specialized in solving complex homework and exam prediction, but less focused on flashcards.
互动式 AI 学习平台，可将课程资料转化为闪卡和测验，但包含更多视频讲解。
专项更强跨设备的免费 AI PDF 编辑、转换与阅读工具
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.
专项更强Tailored specifically for student study workflows with integrated flashcards and quizzes, rather than broad professional content summarization.
专项更强Tailored specifically for student study workflows with integrated flashcards and quizzes, rather than broad professional content summarization.
