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头对头基准测试
ChatPDF vs WriteVoice
ChatPDF 记录了 1,044,477 月访问量，月度环比增长为 -3.7%，定价为免费增值。WriteVoice 记录了 13,362 月访问量，增长率为 -17.7%，定价为 freemium。
ChatPDF 记录了 1,044,477 月访问量，月度环比增长为 -3.7%，定价为免费增值。WriteVoice 记录了 13,362 月访问量，增长率为 -17.7%，定价为 freemium。
把杂乱口述变成可直接发送的成稿文本的 AI 听写工具
| 维度 / 指标 | | |
|---|---|---|
| 官方域名 | chatpdf.com | writevoice.io |
| 定价模式 | 免费增值 | freemium |
| 月访问量 | 104.45万 (1,044,477) | 1.34万 (13,362) |
| 月度环比流量变化 | -4.05万 (-3.7%) | -2876 (-17.7%) |
| 主要市场与份额 | 🇺🇸 美国 (9.6%) | 🇺🇸 美国 (48.2%) |
| 直接访问 / 月 | 45.78万 | 5354 |
| 用户评分 | 4.2 | 4.2 |
| 支持的平台 | 网站 | 网站 |
与任意 PDF、视频或网页对话，几秒内获得带引用的答案
每条回答都锚定到源文档，附可点击引用并自动滚动到具体段落，核对只需几秒，不必逐页翻找。
把文档归入文件夹，在同一个会话中查询多个文件，便于比较论点、交叉核对结论或一次性复习整门课程资料。
把冗长的论文、报告和合同浓缩为要点，也支持用任意语言翻译或提问——甚至可以用一种语言上传、用另一种语言提问。
根据资料自动生成抽认卡和幻灯片，并使用内置 AI 写作与 AI 检测功能来起草和检查学术文本。
把杂乱口述变成可直接发送的成稿文本的 AI 听写工具
以自定义键盘形式安装在 iOS 上，可在 WhatsApp、Slack、iMessage、备忘录、Notion 等任何可输入处使用；配套的 Mac 与网页版让内容保持同步。
去除口头禅、修正语法，并把东拉西扯的口述整理成可读的段落、要点、待办清单和行动方案。
根据你所在的应用调整文本语域，在 LinkedIn 的专业风格、闲聊的随意口吻与商务邮件的正式表达之间切换。
缩短、扩写、修正语法、添加表情或进行其他改写，无需重新输入即可即时调整草稿。
QuillBot is an AI writing suite best known for its paraphrasing tool. Users paste or type text and have it rewritten in different tones and styles, while companion tools handle grammar checking, summarizing, citations, plagiarism checks and AI content detection. It is widely used by students, writers and professionals.
QuillBot is an AI writing suite best known for its paraphrasing tool. Users paste or type text and have it rewritten in different tones and styles, while companion tools handle grammar checking, summarizing, citations, plagiarism checks and AI content detection. It is widely used by students, writers and professionals.
免费 / 开源Completely free PDF reading and editing tool with AI assistant, though basic compared to dedicated platforms.
跨设备的免费 AI PDF 编辑、转换与阅读工具
Combines full desktop PDF editing software with AI chat, but requires software installation for full features.
像说话一样写作的语音听写工具，适用于任何应用
Voicy is an AI speech-to-text app that lets you dictate text into virtually any application or website, including Gmail, Google Docs, Microsoft Word, Outlook, Slack, Notion, ChatGPT and Claude. It combines a desktop app for Mac, Windows and Linux, a Chrome extension, and iPhone and Android apps, delivering over 99% accuracy in more than 50 languages with automatic punctuation and formatting.
Voicy is an AI speech-to-text app that lets you dictate text into virtually any application or website, including Gmail, Google Docs, Microsoft Word, Outlook, Slack, Notion, ChatGPT and Claude. It combines a desktop app for Mac, Windows and Linux, a Chrome extension, and iPhone and Android apps, delivering over 99% accuracy in more than 50 languages with automatic punctuation and formatting.
具备强大的多格式文档聊天与填表功能，但界面感觉稍微凌乱了一点。
不用打字，开口就行——比打字快 4 倍的 AI 语音听写
