Side by side
| Feature | ChatPDF | UPDF |
|---|---|---|
| What it does | Chat with PDFs and other documents to get summaries, answers and cited passages - for students, researchers and professionals. | AI-powered PDF editor for editing, converting, OCR, annotating and summarizing PDFs across desktop, mobile and web. |
| Price from | not listed | not listed |
| Free plan | yes | trial |
| Platforms | web | web, ios, android, windows, mac |
| API | not stated | not stated |
ChatPDF: key features
- Chat with PDF documents in natural language
- Built-in citations linking answers to the source PDF
- Multi-file chats organized in folders
- Document summaries
- Translation of PDFs in other languages
- Side-by-side view of chat and document
UPDF: key features
- Edit text, images and links directly in PDFs
- Annotate with highlights, shapes, stickers and eSignatures
- Convert PDF to Word, Excel, images and other formats with OCR
- Summarize documents and translate into 12+ languages
- Chat with PDFs and images to extract answers
- Generate mind maps from PDFs
FAQ
Is ChatPDF or UPDF better?
It depends on the job - compare prices, free plans and features in the table above.
Are ChatPDF and UPDF free?
ChatPDF: Yes, there is a free plan. Free plan: analyze 2 documents every day; no account needed to start (account unlocks saved history and multi-document chats). UPDF: There is a free trial. Free download with a free version of the app; the homepage says you get access to all features for free after signing in. Exact limits are not stated in the provided text.