kitio.aiChatPDF vs AI PDF Reader
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. AI PDF Reader is completely free, while ChatPDF is freemium.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Chat with PDFs
- Page citations
- Multi-file folders
- Multilingual support
- API access
- Chat with documents
- Section summaries
- Translation of answers
- Multiple file formats
- No sign-up
| Feature | ChatPDF | AI PDF Reader |
|---|---|---|
| Best for | Upload a PDF and ask questions about it in a chat | Free browser tool to summarise, translate and question PDF files |
| Category | Productivity | Productivity |
| Pricing model | Freemium | Free |
| Starting price | See pricing page | Free |
| Free plan | Yes | Yes, fully free |
| Made by | ChatPDF | AI PDF Reader |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
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Pricing compared
AI PDF Reader is completely free, while ChatPDF is freemium.
Free plan
Cheapest paid plan
Top plan
Free trial
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
ChatPDF
- Very simple to use
- Cites page numbers
- Free tier to start
- Free plan limits pages and questions
- Struggles with complex tables
AI PDF Reader
- Free with no account
- Original PDF stays on screen
- Handles EPUB and slides too
- No saved history or workspace
- File size limits not stated
- Little information about who runs it
Which one should you choose?
Choose ChatPDF if you want:
- Very simple to use
- Cites page numbers
- Free tier to start
Watch out: free plan limits pages and questions.
Choose AI PDF Reader if you want:
- Free with no account
- Original PDF stays on screen
- Handles EPUB and slides too
Watch out: no saved history or workspace.
ChatPDF vs AI PDF Reader FAQ
What is the difference between ChatPDF and AI PDF Reader?
ChatPDF: Upload a PDF and ask questions about it in a chat. AI PDF Reader: Free browser tool to summarise, translate and question PDF files. Both are productivity tools.
Is ChatPDF or AI PDF Reader cheaper?
AI PDF Reader is completely free, while ChatPDF is freemium.
Do ChatPDF and AI PDF Reader have free plans?
ChatPDF: Yes. AI PDF Reader: Yes, fully free.
Who makes ChatPDF?
ChatPDF is made by ChatPDF.
Who makes AI PDF Reader?
AI PDF Reader is made by AI PDF Reader.
Which should I choose, ChatPDF or AI PDF Reader?
Choose ChatPDF if you value very simple to use and cites page numbers. Choose AI PDF Reader if you value free with no account and original pdf stays on screen.