# ChatPDF vs AIOS Workspace

The clearest difference is in-app purchases: AIOS Workspace at none against ChatPDF's 2. AIOS Workspace also leads on ads (none vs shown). ChatPDF's advantage is update cadence (every 4 days vs every 3 weeks) and device support (3 vs 1). On price there is nothing between them.

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

ChatPDF ships an update every 4 days, AIOS Workspace every 3 weeks. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ChatPDF | AIOS Workspace |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (95 ratings)](https://appshunter.io/ios/app/chatpdf-chat-pdf-ai/id6742454061/reviews)** | — |
| Number of ratings | **95** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 41 MB | 5 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ChatPDF GmbH](https://appshunter.io/developer/1711436087) | [JON GALARRAGA ZUBIZARRETA](https://appshunter.io/developer/6789960344) |

## 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 |


### AIOS Workspace

[App page](https://appshunter.io/ios/app/aios-workspace/id6789960342)

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

**In-app purchases:** none


## Frequently asked questions

### Is ChatPDF free?

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

### Is AIOS Workspace free?

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

### Do ChatPDF or AIOS Workspace have ads?

ChatPDF shows ads; AIOS Workspace does not.

### Which is updated more often, ChatPDF or AIOS Workspace?

ChatPDF ships an update every 4 days, and AIOS Workspace every 3 weeks. Most recently, ChatPDF was updated on November 4, 2026 and AIOS Workspace on October 31, 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.*