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。OETStudy 记录了 4,738 月访问量,增长率为 +264.2%,定价为免费。

OETStudy is a free practice platform for the Duolingo English Test. It offers a large bank of exam-style questions, AI-powered scoring for speaking and writing tasks, CEFR vocabulary checks, and progress analytics to help learners target a higher score.
| 维度 / 指标 | ![]() | |
|---|---|---|
| 官方域名 | knowt.com | oetstudy.com |
| 定价模式 | 免费 | 免费 |
| 月访问量 | 418.4万 (4,183,953) | 4738 (4,738) |
| 月度环比流量变化 | +21.48万 (+5.4%) | +3437 (+264.2%) |
| 主要市场与份额 | 🇺🇸 美国 (69.6%) | 🇺🇸 美国 (100%) |
| 直接访问 / 月 | 274.15万 | 1537 |
| 用户评分 | 4.3 | 4.4 |
| 支持的平台 | 网站 | 网站 |
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.

OETStudy is a free practice platform for the Duolingo English Test. It offers a large bank of exam-style questions, AI-powered scoring for speaking and writing tasks, CEFR vocabulary checks, and progress analytics to help learners target a higher score.
A large bank of DET-style items spanning speaking, writing, listening, and reading, graded by difficulty so you can practise at the level you need.
Speaking and writing submissions are scored automatically, evaluating pronunciation, fluency, grammar, and content structure with suggestions for improvement.
Check your vocabulary level against CEFR bands and build word lists clustered around the question types you practise most.
Practice statistics and score analysis highlight weak areas and show how your performance changes over time.
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.
免费练习 PTE Academic 与 PTE Core,口语写作享 AI 评分
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。
Prep Edu is an online language-learning and exam-preparation platform combining structured IELTS, TOEIC and HSK courses with AI-powered practice. Its Prep AI Virtual Speaking Room and Virtual Writing Room simulate real exam conditions and return feedback on grammar, pronunciation, vocabulary, ideas and logic, while the Teacher Bee AI companion offers round-the-clock guidance. Learners get a personalised roadmap, mock tests, progress tracking and mobile access for studying at home.
Prep Edu is an online language-learning and exam-preparation platform combining structured IELTS, TOEIC and HSK courses with AI-powered practice. Its Prep AI Virtual Speaking Room and Virtual Writing Room simulate real exam conditions and return feedback on grammar, pronunciation, vocabulary, ideas and logic, while the Teacher Bee AI companion offers round-the-clock guidance. Learners get a personalised roadmap, mock tests, progress tracking and mobile access for studying at home.
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.