
Studocu is a global study platform where students share and access lecture notes, summaries, study guides and past exams, with an AI assistant, quizzes, flashcards and note tools to help them learn faster.
Feen AI 每月有 4,802 次造訪,月增率 +19%,定價模式為免費增值。Studyable 每月有 72,371 次造訪,成長率 +13.6%,定價模式為免費。

Feen AI is a study platform that solves math, physics, and chemistry problems step by step, turns lecture audio, videos, PDFs, and articles into notes, flashcards, and quizzes, and cross-checks its answers with multiple models.
| 面向/指標 | ![]() | |
|---|---|---|
| 官方網域 | feen.ai | studyable.app |
| 定價模式 | 免費增值 | 免費 |
| 每月造訪次數 | 4802 (4,802) | 7.24萬 (72,371) |
| 月流量變化量 | +768 (+19%) | +8643 (+13.6%) |
| 主要市場與市佔 | 🇺🇸 美國 (100%) | 🇦🇺 澳洲 (31.4%) |
| 每月直接造訪 | 1517 | 2.83萬 |
| 使用者評分 | 4 | 4.4 |
| 支援平台 | 網站 | 網站 |

Feen AI is a study platform that solves math, physics, and chemistry problems step by step, turns lecture audio, videos, PDFs, and articles into notes, flashcards, and quizzes, and cross-checks its answers with multiple models.
Multiple AI models verify each answer before it is shown, then the solution is broken into clear steps with explanations.
Turn lecture slides, textbook chapters, articles, or transcripts into structured notes, key points, and short or detailed summaries.
Upload recordings up to 60 minutes or paste a YouTube link to get a transcript you can convert into study material.
Convert notes or source material into question-answer flashcard sets and multiple-choice or short-answer quizzes.
免費 AI 作業輔導、AI 家教與單字卡
在對話中提問,家教講解每一步推理過程,而不是只丟出一個答案。
上傳或拍攝題目、圖表、書頁後直接提問,對手寫數學與理科作業尤其好用。
提交作文草稿,獲得涵蓋論點、結構、論據與語言表達的結構化點評。
把筆記或閱讀材料轉成記憶卡與自測題,用於複習。

Studocu is a global study platform where students share and access lecture notes, summaries, study guides and past exams, with an AI assistant, quizzes, flashcards and note tools to help them learn faster.
集作業輔導、考試備考、筆記與閃卡於一體的一站式 AI 學習工具
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.
以你自己的課程素材打造的 AI 學習工具與私人導師
歐洲學生的學習中心:筆記、AI 閃卡與 AI 問答
Math AI Solver is an online tutor that reads typed equations, photos or PDFs and returns detailed step-by-step solutions across algebra, calculus, statistics and geometry.
Math AI Solver is an online tutor that reads typed equations, photos or PDFs and returns detailed step-by-step solutions across algebra, calculus, statistics and geometry.
拍下作業照片,幾秒內取得逐步講解