Knowt 每月有 4,183,953 次造訪，月增率 +5.4%，定價模式為免費。Spike 每月有 93,475 次造訪，成長率 -26.6%，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.
| 面向／指標 |  | |
|---|---|---|
| 官方網域 | knowt.com | spikenow.com |
| 定價模式 | 免費 | 免費增值 |
| 每月造訪次數 | 418.4萬 (4,183,953) | 9.35萬 (93,475) |
| 月流量變化量 | +21.48萬 (+5.4%) |
| -3.39萬 (-26.6%) |
| 主要市場與市佔 | 🇺🇸 美國 (69.6%) | 🇺🇸 美國 (30.1%) |
|---|
| 每月直接造訪 | 274.15萬 | 3.69萬 |
|---|
| 使用者評分 | 4.3 | 4.2 |
|---|
| 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.
以 AI 為核心的郵件，把收件匣變成聊天式工作空間
AI 為未讀郵件與長會話產生即時概覽，讓你幾秒內掌握重點；優先收件匣則把重要郵件排在最前面。
在撰寫框中直接使用 AI 產生快速回覆、貼合上下文的回應，或進行腦力激盪。
郵件串像即時通訊一樣依聯絡人分組，所有已連接帳號匯聚到一個收件匣，並支援檔案管理與強大搜尋。
共享收件匣、頻道與群組、協作文件與筆記、任務管理以及一鍵音視訊會議，全部內嵌在信箱工作空間。
專項更強Comprehensive student study platform specialized in solving complex homework and exam prediction, but less focused on flashcards.
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.
Motion is an AI-powered productivity super app that unifies tasks, projects, calendars, meetings, docs, notes and reports, using AI agents to auto-plan your day, build projects, take meeting notes and keep work moving.
兼具代理、郵件與文件的 AI 生產力套件
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.
University learning platform combining shared notes with AI flashcard generation, but heavier community focus.
專為團隊打造的協作式收件匣與郵件管理
能把筆記和影片變成測驗與摘要的AI學習平台，但協作功能較少。
