# ChatPDF AI vs Summary AI Text Summarizer PDF

The clearest difference is ads: ChatPDF AI at none against Summary AI Text Summarizer PDF's shown. ChatPDF AI also leads on update cadence (every 3 weeks vs every 2 months) and device support (3 vs 1). On price, in-app purchases and monetization model there is nothing between them.

Both are free to download. ChatPDF AI sells 5 in-app purchases, starting at $2.99 per 7 days and Summary AI Text Summarizer PDF sells 2 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ChatPDF AI ships an update every 3 weeks, Summary AI Text Summarizer PDF every 2 months. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | ChatPDF AI | Summary AI Text Summarizer PDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (4 ratings)](https://appshunter.io/ios/app/summary-ai-text-summarizer-pdf/id6744453734/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Freemium | Free with in-app purchases |
| Size | 26 MB | 9 MB |
| Requires iOS | **13.4** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [YAHYA KEMAL SERT](https://appshunter.io/developer/1725191042) | [Aplicativos Legais](https://appshunter.io/developer/788313452) |

## What reviewers say

### ChatPDF AI

[App page](https://appshunter.io/ios/app/chatpdf-ai-scan-and-summarize/id6503151297)

This app uses AI to quickly summarize lengthy documents and articles. It allows users to scan physical documents and interact with PDFs by asking questions to extract key information, enhancing learning and productivity.

**Highlights:** AI-powered PDF summarization, Scan physical documents, Chat with document contents, Interactive learning experience, Support for various document types, Document management

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChatPDF AI Weekly Premium | $2.99 | per 7 days |
| ChatPDF AI Annual Subscription | $39.99 | per year |
| ChatPDF AI Weekly Subscription | $3.99 | one-time |
| ChatPDF AI Lifetime Subsc | $49.99 | one-time |
| ChatPDF AI Annual Subsc. | $59.99 | one-time |


### 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 |


## Frequently asked questions

### Is ChatPDF AI free?

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

### Is Summary AI Text Summarizer PDF free?

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

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

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

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

ChatPDF AI ships an update every 3 weeks, and Summary AI Text Summarizer PDF every 2 months. Most recently, ChatPDF AI was updated on October 30, 2026 and Summary AI Text Summarizer PDF on November 5, 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.*