# Summary AI Text Summarizer PDF vs ChatPDF

The clearest difference is ads: ChatPDF at none against Summary AI Text Summarizer PDF's shown. ChatPDF also leads on update cadence (daily vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Summary AI Text Summarizer PDF sells 2 in-app purchases, starting at $1.99 per 7 days 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.

Summary AI Text Summarizer PDF ships an update every 2 months, ChatPDF daily. Both last shipped on October 24, 2026.

## The numbers

| Metric | Summary AI Text Summarizer PDF | ChatPDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (4 ratings)](https://appshunter.io/ios/app/summary-ai-text-summarizer-pdf/id6744453734/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 9 MB | 15 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Aplicativos Legais](https://appshunter.io/developer/788313452) | [BERKCAN ARSLAN](https://appshunter.io/developer/1800916861) |

## What reviewers say

### Summary AI Text Summarizer PDF

[App page](https://appshunter.io/ios/app/summary-ai-text-summarizer-pdf/id6744453734)

This app uses AI to generate concise summaries of any text, PDF, or web link. Customize summary length, writing style, and format to suit your needs, saving you time and boosting productivity.

**Highlights:** AI-powered summarization, Summarize text, PDFs, and web links, Customizable summary length, Adjustable writing style (academic, business, casual), Paragraph or bullet-point format, Saves time and boosts productivity

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $1.99 | per 7 days |
| Weekly Premium (Free Trial) | $1.99 | per 7 days |


### 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 Summary AI Text Summarizer PDF free?

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

### Is ChatPDF free?

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

### Do Summary AI Text Summarizer PDF or ChatPDF have ads?

Summary AI Text Summarizer PDF shows ads; ChatPDF does not.

### Which is updated more often, Summary AI Text Summarizer PDF or ChatPDF?

Summary AI Text Summarizer PDF ships an update every 2 months, and ChatPDF daily. Most recently, Summary AI Text Summarizer PDF was updated on October 24, 2026 and ChatPDF on October 24, 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.*