# PDF AI vs ChatPDF

The clearest difference is ads: ChatPDF at none against PDF AI's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. PDF AI sells 3 in-app purchases, starting at $2.99 per 7 days and ChatPDF sells 2 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | PDF AI | ChatPDF |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | — |
| Size | 7 MB | 47 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TECH LOGIC HOST](https://appshunter.io/developer/1335938195) | [Ikhwan Noorsetyo](https://appshunter.io/developer/1739847271) |

## What reviewers say

### PDF AI

[App page](https://appshunter.io/ios/app/pdf-ai-chat-summarize-and-ocr/id6758303451)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Doc Pro Weekly | $2.99 | per 7 days |
| PDF Doc Pro Monthly | $7.99 | per month |
| PDF Doc Pro Yearly | $29.99 | per year |


### ChatPDF

[App page](https://appshunter.io/ios/app/chatpdf-ai-document-assistant/id6758316696)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $0.99 | per 7 days |
| Yearly Subscription | $34.99 | per year |


## Frequently asked questions

### Is PDF AI free?

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

### Is ChatPDF free?

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

### Do PDF AI or ChatPDF have ads?

PDF AI shows ads; ChatPDF does not.

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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.*