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。Qsafe（C9Lab）记录了 28,077 月访问量，增长率为 +242.1%，定价为定价请咨询。
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.
| 维度 / 指标 |  | |
|---|---|---|
| 官方域名 | knowt.com | c9lab.com |
| 定价模式 | 免费 | 定价请咨询 |
| 月访问量 | 418.4万 (4,183,953) | 2.81万 (28,077) |
| 月度环比流量变化 | +21.48万 (+5.4%) |
| +1.99万 (+242.1%) |
| 主要市场与份额 | 🇺🇸 美国 (69.6%) | 🌐 全球 (—) |
|---|
| 直接访问 / 月 | 274.15万 | 1.08万 |
|---|
| 用户评分 | 4.3 | 4.1 |
|---|
| 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.
AI 数字风险防护与品牌侵权下架
监控针对你品牌与客户的钓鱼页面、近似域名与错拼域名等冒充基础设施。
跟踪应用商店与社交平台上的仿冒应用、冒充账号与滥用你身份的欺诈页面。
监测暗网渠道中的品牌滥用、凭证泄露与相关提及，提前预警针对你组织的欺诈活动。
提供恶意内容下架流程，并配有分析师团队负责升级处置与品牌事件响应。
专项更强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.
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。
Converts notes and PDFs into interactive flashcards and audio podcasts, but less established brand presence.
免费 / 开源支持句子级洞察的多语言 AI 检测工具
University learning platform combining shared notes with AI flashcard generation, but heavier community focus.
能把笔记和视频变成测验与摘要的AI学习平台，但协作功能较少。
免费 / 开源不只给分数，还标出证据的 AI 检测器
