# ChatPDF vs CAA

The clearest difference is in-app purchases: CAA at none against ChatPDF's 2. CAA also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.6). On price and device support there is nothing between them.

Both are free to download. ChatPDF sells 2 in-app purchases, starting at $14.99 per month. CAA asks for nothing beyond the download.

## The numbers

| Metric | ChatPDF | CAA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (92 ratings)](https://appshunter.io/ios/app/chatpdf-chat-pdf-ai/id6742454061/reviews)** | — |
| Number of ratings | **92** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 41 MB | 34 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [ChatPDF GmbH](https://appshunter.io/developer/1711436087) | [Universidad Veracruzana - UV](https://appshunter.io/developer/533632910) |

## What reviewers say

### ChatPDF

[App page](https://appshunter.io/ios/app/chatpdf-chat-pdf-ai/id6742454061)

This AI-powered tool allows you to ask questions and get summaries directly from your PDF documents. It supports multiple files, OCR, and multilingual interactions, making complex information easily accessible.

**Highlights:** Instant answers from PDFs, Quick document summaries, Chat with multiple PDFs, OCR for scanned documents, Multilingual support, Cross-device access

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plus Subscription | $14.99 | per month |
| ChatPDF Yearly Plus Plan | $89.99 | per year |


### CAA

[App page](https://appshunter.io/ios/app/caa/id6753724260)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ChatPDF free?

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

### Is CAA free?

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

### Do ChatPDF or CAA have ads?

ChatPDF shows ads; CAA does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*