# ChatPDF vs Chat PDF Summary

The clearest difference is device support: ChatPDF at 3 against Chat PDF Summary's 1. ChatPDF also leads on iOS requirement (15.6 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. ChatPDF sells 2 in-app purchases, starting at $0.99 per 7 days and Chat PDF Summary sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | ChatPDF | Chat PDF Summary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 8 months |
| Size | 47 MB | 9 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | +4 |
| Developer | [Ikhwan Noorsetyo](https://appshunter.io/developer/1739847271) | [Jose Sapon](https://appshunter.io/developer/1833571607) |

## What reviewers say

### 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 |


### Chat PDF Summary

[App page](https://appshunter.io/ios/app/chat-pdf-summary-ai-summarize/id6758478401)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Version | $2.99 | one-time |
| Small Credits Pack | $4.99 | one-time |
| Medium Credits Pack | $6.99 | one-time |
| Large Credits Pack | $8.99 | one-time |


## Frequently asked questions

### Is ChatPDF free?

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

### Is Chat PDF Summary free?

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

### Do ChatPDF or Chat PDF Summary have ads?

Neither ChatPDF nor Chat PDF Summary shows ads.

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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.*