Apollo AI 记录了 0 月访问量,月度环比增长为 -100%,定价为免费增值。ChatPDF 记录了 1,044,477 月访问量,增长率为 -3.7%,定价为免费增值。
| 维度 / 指标 | ||
|---|---|---|
| 官方域名 | useapollo.app | chatpdf.com |
| 定价模式 | 免费增值 | 免费增值 |
| 月访问量 | 0 (0) | 104.45万 (1,044,477) |
| 月度环比流量变化 | -434 (-100%) | -4.05万 (-3.7%) |
| 主要市场与份额 | 🌐 全球 (—) | 🇺🇸 美国 (9.6%) |
| 直接访问 / 月 | 0 | 45.78万 |
| 用户评分 | 4.2 | 4.2 |
| 支持的平台 | 网站 | 网站 |
面向长篇 PDF 与论文的 AI 研究助手
上传数百页的论文与报告,几秒内获得摘要、关键结论与针对性回答,无需自己切分文件。
助手自行生成检索式、收集可信来源、交叉核验信息,并输出带引用与参考文献的综合报告。
起草文献综述,并按 APA、MLA、芝加哥、哈佛、IEEE 等格式生成参考文献。
把研究数据转化为柱状图、折线图、饼图和散点图,可直接放进论文或演示文稿。
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。

Semantic Scholar is a free, non-commercial academic search engine built by the Allen Institute for AI (Ai2). It indexes more than 240 million papers from every field of science and uses machine learning to extract meaning from abstracts, citations, figures and tables, so researchers find relevant work faster than with keyword-only search.
Semantic Scholar is a free, non-commercial academic search engine built by the Allen Institute for AI (Ai2). It indexes more than 240 million papers from every field of science and uses machine learning to extract meaning from abstracts, citations, figures and tables, so researchers find relevant work faster than with keyword-only search.
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
Jenni is an AI research and academic writing workspace that helps students, researchers, and academics read, write, and cite in one place. Bring in PDFs or import a Zotero or Mendeley library, and Jenni's autocomplete suggests sentences grounded in your own sources, with every suggestion linked to the exact page and paragraph. A built-in writer, AI chat, citation engine covering 10,000+ styles, and a Reviews tool for catching weak or unverified claims make it a full environment for producing cited papers.
Jenni is an AI research and academic writing workspace that helps students, researchers, and academics read, write, and cite in one place. Bring in PDFs or import a Zotero or Mendeley library, and Jenni's autocomplete suggests sentences grounded in your own sources, with every suggestion linked to the exact page and paragraph. A built-in writer, AI chat, citation engine covering 10,000+ styles, and a Reviews tool for catching weak or unverified claims make it a full environment for producing cited papers.

Combines full desktop PDF editing software with AI chat, but requires software installation for full features.