# ChatPDF AI vs ChatPDF AI

The clearest difference is ads: ChatPDF AI at none against ChatPDF AI's shown. ChatPDF AI's advantage is update cadence (every 3 days vs every 9 days). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. ChatPDF AI sells 4 in-app purchases, starting at $3.99 per 7 days and ChatPDF AI sells 5 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ChatPDF AI ships an update every 3 days, ChatPDF AI every 9 days. The most recent releases landed on November 10, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | ChatPDF AI | ChatPDF AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chatpdf-ai-chat-and-pdf-summary/id6744906438/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 9 days |
| Monetization | Free with in-app purchases | — |
| Size | 33 MB | 100 MB |
| Requires iOS | **15.1** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Deploy Global OU](https://appshunter.io/developer/1783394589) | [nimet oz](https://appshunter.io/developer/1861573318) |

## What reviewers say

### ChatPDF AI

[App page](https://appshunter.io/ios/app/chatpdf-ai-chat-and-pdf-summary/id6744906438)

This AI-powered tool allows you to interact with your documents. Upload PDFs, DOCX, or TXT files and ask questions, get summaries, or receive help with homework. It transforms static files into searchable conversations for quick information retrieval.

**Highlights:** Chat with any document (PDF, DOCX, TXT, EPUB), Summarize pages or entire files, Homework help and essay writing assistance, Supports large files and multiple languages, Instant search for quick answers

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DocChatAI - PRO | $3.99 | per 7 days |
| Weekly Trial | $4.99 | per 7 days |
| DocChatAI - PRO | $9.99 | per month |
| DocChatAI - PRO | $39.99 | per year |


### ChatPDF AI

[App page](https://appshunter.io/ios/app/chatpdf-ai-chat-pdf-document/id6759845164)

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $4.99 | per 7 days |
| Weekly Pro | $6.99 | per 7 days |
| Monthly Pro | $19.99 | per month |
| Yearly Pro | $44.99 | per year |
| Yearly Pro | $89.99 | per year |


## Frequently asked questions

### Is ChatPDF AI free?

ChatPDF AI is free to download, with in-app purchases available.

### Is ChatPDF AI free?

ChatPDF AI is free to download, with in-app purchases available.

### Do ChatPDF AI or ChatPDF AI have ads?

ChatPDF AI shows ads; ChatPDF AI does not.

### Which is updated more often, ChatPDF AI or ChatPDF AI?

ChatPDF AI ships an update every 3 days, and ChatPDF AI every 9 days. Most recently, ChatPDF AI was updated on November 10, 2026 and ChatPDF AI on November 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*