# Summarizerrrr vs ChatPDF AI

The clearest difference is in-app purchases: Summarizerrrr at none against ChatPDF AI's 5. ChatPDF AI's advantage is update cadence (every 9 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ChatPDF AI sells 5 in-app purchases, starting at $4.99 per 7 days. Summarizerrrr asks for nothing beyond the download.

Summarizerrrr ships an update every 3 weeks, ChatPDF AI every 9 days. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Summarizerrrr | ChatPDF AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/summarizerrrr/id6755809467/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | Free | — |
| Size | 23 MB | 100 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Le Nguyen](https://appshunter.io/developer/1856501513) | [nimet oz](https://appshunter.io/developer/1861573318) |

## What reviewers say

### Summarizerrrr

[App page](https://appshunter.io/ios/app/summarizerrrr/id6755809467)

Condense information from various sources like YouTube, online courses, websites, and selected text. Choose from multiple AI providers or use local models for enhanced privacy. Features a powerful interface for side-by-side viewing and interactive tools for deeper understanding.

**Highlights:** Summarize YouTube videos with transcripts, Condense online courses and articles, Local AI support for privacy, Side-by-side viewing interface, Ask follow-up questions about content, Export video transcripts, Multi-language support

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

**In-app purchases:** none


### ChatPDF AI

[App page](https://appshunter.io/ios/app/chatpdf-ai-chat-pdf-document/id6759845164)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $4.99 | per 7 days |
| Weekly Pro | $6.99 | per 7 days |
| Monthly Pro | $19.99 | per month |
| Yearly Pro | $44.99 | per year |
| Yearly Pro | $89.99 | per year |


## Frequently asked questions

### Is Summarizerrrr free?

Summarizerrrr is free to download, with no in-app purchases.

### Is ChatPDF AI free?

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

### Do Summarizerrrr or ChatPDF AI have ads?

Neither Summarizerrrr nor ChatPDF AI shows ads.

### Which is updated more often, Summarizerrrr or ChatPDF AI?

Summarizerrrr ships an update every 3 weeks, and ChatPDF AI every 9 days. Most recently, Summarizerrrr was updated on October 30, 2026 and ChatPDF AI on October 28, 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.*