adCAPTCHA 记录了 50 月访问量，月度环比增长为 -80.2%，定价为付费。Scribbr 记录了 7,530,803 月访问量，增长率为 +14.6%，定价为免费增值。
| 维度 / 指标 |  | |
|---|---|---|
| 官方域名 | adcaptcha.com | scribbr.com |
| 定价模式 | 付费 | 免费增值 |
| 月访问量 | 50 (50) | 753.08万 (7,530,803) |
| 月度环比流量变化 | -202 (-80.2%) | +95.7万 (+14.6%) |
| 主要市场与份额 | 🌐 全球 (—) | 🇺🇸 美国 (32.1%) |
| 直接访问 / 月 | 21 | 247.28万 |
| 用户评分 | 3.8 | 4.4 |
| 支持的平台 | 网站 | 网站 |
以图片与视频挑战替代烦人拼图的隐私优先人机验证。
用简短的图片与视频互动替代文字或网格拼图来验证访客，媒体素材由你通过控制台上传。
多重检测层在单次交互背后运行，在不给真实用户增加负担的前提下拦截复杂机器人。
把验证时刻变成正向触点，用于展示自有媒体内容，或向广告主开放该位置。
常见平台提供预置集成，配合文档化 API，可在数分钟内为网站或应用加入人机验证。
集学术校对、查重与 AI 写作工具于一体
由认证学术编辑在数小时内审阅论文，返回修订痕迹、批注与说明信。
将文档与大型网页及出版物数据库比对，提交前标出可能缺乏原创性的段落。
识别疑似由大语言模型生成的文本，并提供让 AI 辅助草稿读起来更自然的改写模式。
通过 URL、DOI 或标题检索，生成并核验 APA、MLA、Chicago、AMA、IEEE、ACS 格式的参考文献。
能在网页应用程序中提供更广泛的即时文法与语气修正，但缺乏 Scribbr 深厚的学术专注度与引用格式编排。
提供强大的文句改写与引用工具，但较不着重于全面的学术校对与真人编修。
专项更强ZeroGPT is an AI content detection platform with a text AI detector, AI image and video detectors, AI humanizer, plagiarism checker, and a set of writing tools including paraphraser, summarizer, grammar checker, translator, and citation helper.
专项更强ZeroGPT is an AI content detection platform with a text AI detector, AI image and video detectors, AI humanizer, plagiarism checker, and a set of writing tools including paraphraser, summarizer, grammar checker, translator, and citation helper.
专项更强支持 30 多种语言的 AI 语法、拼写与风格检查工具
精准研究受众搭配 AI 校验的数据质量
免费 / 开源Undetectable AI is a web platform that scans text for AI fingerprints and rewrites flagged passages so they read like natural human writing. It bundles an AI detector, an AI humanizer and a growing set of media authenticity tools in a single dashboard.
免费 / 开源Undetectable AI is a web platform that scans text for AI fingerprints and rewrites flagged passages so they read like natural human writing. It bundles an AI detector, an AI humanizer and a growing set of media authenticity tools in a single dashboard.
专项更强Provides enterprise-grade AI detection and plagiarism checking, but does not offer human academic proofreading or citation generation.
专项更强Provides enterprise-grade AI detection and plagiarism checking, but does not offer human academic proofreading or citation generation.
提供专业的学术写作协助与 AI 引用生成，但缺乏 Scribbr 的真人校对与正式编辑服务。
免费 / 开源Winston AI is an AI content detection suite that identifies text and images produced by generators like ChatGPT, Gemini, and Claude. Alongside its detector it offers plagiarism checking, an AI image and deepfake detector, writing feedback, and an API for embedding detection into other platforms.
免费 / 开源Winston AI is an AI content detection suite that identifies text and images produced by generators like ChatGPT, Gemini, and Claude. Alongside its detector it offers plagiarism checking, an AI image and deepfake detector, writing feedback, and an API for embedding detection into other platforms.
免费 / 开源不只给分数，还标出证据的 AI 检测器
