# Pdf Summerizer vs ChatPDF

The clearest difference is update cadence: ChatPDF at daily against Pdf Summerizer's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Pdf Summerizer sells 2 in-app purchases, starting at $5.99 per month and ChatPDF sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Pdf Summerizer ships an update monthly, ChatPDF daily. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Pdf Summerizer | ChatPDF |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Daily** |
| Size | 37 MB | 15 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Bugrahan Gulmez](https://appshunter.io/developer/1701342042) | [BERKCAN ARSLAN](https://appshunter.io/developer/1800916861) |

## What reviewers say

### Pdf Summerizer

[App page](https://appshunter.io/ios/app/pdf-summerizer-ai-summerize/id6742272003)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $5.99 | per month |
| Yearly Subscription | $29.99 | per year |


### ChatPDF

[App page](https://appshunter.io/ios/app/chatpdf-ai-pdf-summarizer/id6755740497)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChatPDF Weekly Subscription | $4.99 | per 7 days |
| ChatPDF Monthly Subscription | $9.99 | per month |
| ChatPDF Yearly Subscription | $59.99 | per year |


## Frequently asked questions

### Is Pdf Summerizer free?

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

### Is ChatPDF free?

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

### Do Pdf Summerizer or ChatPDF have ads?

Neither Pdf Summerizer nor ChatPDF shows ads.

### Which is updated more often, Pdf Summerizer or ChatPDF?

Pdf Summerizer ships an update monthly, and ChatPDF daily. Most recently, Pdf Summerizer was updated on October 25, 2026 and ChatPDF on October 30, 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.*