# Chat4PDF.PDF Summary & AI Chat vs PDF AI

The clearest difference is ads: PDF AI at none against Chat4PDF.PDF Summary & AI Chat's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Chat4PDF.PDF Summary & AI Chat sells 2 in-app purchases, starting at $2.99 per 7 days and PDF AI sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Chat4PDF.PDF Summary & AI Chat | PDF AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | — |
| Size | 100 MB | 7 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Magdalena Torres Melis](https://appshunter.io/developer/1250343862) | [Doreen Eichelberger](https://appshunter.io/developer/1764091825) |

## What reviewers say

### Chat4PDF.PDF Summary & AI Chat

[App page](https://appshunter.io/ios/app/chat4pdfpdf-summary-and-ai-chat/id6505013437)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| English | $2.99 | per 7 days |
| Yearly Subscription | $29.99 | per year |


### PDF AI

[App page](https://appshunter.io/ios/app/pdf-ai-doc-scan-editor-reader/id6636529981)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Premium | $5.99 | per month |
| 1 Year Premium | $39.99 | per year |


## Frequently asked questions

### Is Chat4PDF.PDF Summary & AI Chat free?

Chat4PDF.PDF Summary & AI Chat is free to download, with in-app purchases available.

### Is PDF AI free?

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

### Do Chat4PDF.PDF Summary & AI Chat or PDF AI have ads?

Chat4PDF.PDF Summary & AI Chat shows ads; PDF AI 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.*