CastReader 记录了 55,999 月访问量，月度环比增长为 +9.8%，定价为免费增值。ZeroGPT 记录了 32,864,541 月访问量，增长率为 +19.7%，定价为免费增值，付费。
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.
| 维度 / 指标 |  | |
|---|---|---|
| 官方域名 | castreader.com | zerogpt.com |
| 定价模式 | 免费增值 | 免费增值，付费 |
| 月访问量 | 5.6万 (55,999) | 3286.45万 (32,864,541) |
| 月度环比流量变化 | +4983 (+9.8%) | +541.1万 (+19.7%) |
| 主要市场与份额 | 🇺🇸 美国 (56%) | 🇺🇸 美国 (43%) |
| 直接访问 / 月 | 1.97万 | 822万 |
| 用户评分 | 4.4 | 3.8 |
| 支持的平台 | 网站 | 网站 |
为网页、PDF、Kindle 电子书与 AI 回答朗读，并同步高亮
自然 AI 语音朗读网页、PDF、电子书与文档，逐词高亮并自动滚动，让你始终不迷路。
不只朗读难段，还用你最熟悉的语言总结并拆解其含义，同时用动画笔在原文中标注关键句。
覆盖 Kindle、微信读书、Google Play Books、O'Reilly 等图书平台，新闻与订阅网站，Google Docs、Notion、Gmail，以及 ChatGPT、Claude、Gemini、DeepSeek、Kimi 的回答。
试听多种语言的真实语音样本，并可创建私人克隆声音，Pro 会员可将其应用于自己的 PDF、EPUB、Word、TXT 文件。
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.
Paste up to 15,000 characters or upload a file and get a highlighted breakdown of which sentences appear AI-written, plus an overall percentage score and a downloadable PDF report.
Beyond text, ZeroGPT offers an AI image detector and an AI video detector that performs frame-level analysis to flag generated or manipulated visuals.
Compare your text against billions of sources through the plagiarism checker, or rewrite and humanize AI text with the paraphraser and AI humanizer while keeping the original meaning.
A bundled writing suite covers summarization, grammar and spelling correction, translation across many languages, a dictionary, word and character counting, citation generation, and an AI email writer.
专项更强Cross-platform writing assistant focused on real-time grammar and tone correction rather than AI content detection.
专项更强Cross-platform writing assistant focused on real-time grammar and tone correction rather than AI content detection.
专项更强Popular paraphrasing assistant focused on rewriting and grammar correction, but lacks dedicated AI detection scanners.
专项更强Popular paraphrasing assistant focused on rewriting and grammar correction, but lacks dedicated AI detection scanners.
专项更强Academic editing platform pairing AI plagiarism detection with professional human proofreaders for student papers.
专项更强Academic editing platform pairing AI plagiarism detection with professional human proofreaders for student papers.
结合了可靠的 AI 检测与先进的文字真人化工具，能自然地改写机器生成的内容。
专为数字出版商打造的全方位内容完整性平台，主打精准的 AI 检测与抄袭检查。
支持多国语言的 AI 内容检测平台，提供详细的句子级别评分与写作完整性工具。
专项更强Online writing suite blending AI humanization tools with plagiarism and readability checking features.
高精准度的 AI 内容检测器，可同时扫描文字与上传d图片以识别是否为机器生成。
