# PDF AI vs EMMPA

The clearest difference is in-app purchases: EMMPA at none against PDF AI's 5. EMMPA also leads on ads (none vs shown). PDF AI's advantage is update cadence (every 3 weeks vs every 3 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. PDF AI sells 5 in-app purchases, starting at $7.99 per 7 days. EMMPA asks for nothing beyond the download.

PDF AI ships an update every 3 weeks, EMMPA every 3 months. The most recent releases landed on September 20, 2026 and May 13, 2026 respectively.

## The numbers

| Metric | PDF AI | EMMPA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (151 ratings)](https://appshunter.io/ios/app/pdf-ai-editor-scanner-chat/id6581489325/reviews)** | — |
| Number of ratings | **151** | — |
| Positive reviews | 90.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 169 MB | 26 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yang Yang](https://appshunter.io/developer/1756128958) | [A.B. TECHNOLOGY - SARL](https://appshunter.io/developer/1528984699) |

## What reviewers say

### PDF AI

[App page](https://appshunter.io/ios/app/pdf-ai-editor-scanner-chat/id6581489325)

This application offers a comprehensive suite of AI-powered tools for managing PDF documents. Users can edit text and images, generate AI summaries, convert files to various formats, and securely sign documents. It prioritizes speed and privacy with local processing and encryption.

**Highlights:** Edit PDF text and images, AI-powered summaries and highlights, Annotate and collaborate on documents, Fill and e-sign forms, Convert PDFs to Word, Excel, PPT, Images, TXT, Secure offline scanning and organization

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly VIP | $7.99 | per 7 days |
| Weekly VIP | $9.99 | per 7 days |
| Weekly VIP | $9.99 | per 7 days |
| Monthly VIP | $14.99 | per month |
| Yearly VIP | $59.99 | per year |


### EMMPA

[App page](https://appshunter.io/ios/app/emmpa/id6639614113)

**In-app purchases:** none


## Frequently asked questions

### Is PDF AI free?

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

### Is EMMPA free?

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

### Do PDF AI or EMMPA have ads?

PDF AI shows ads; EMMPA does not.

### Which is updated more often, PDF AI or EMMPA?

PDF AI ships an update every 3 weeks, and EMMPA every 3 months. Most recently, PDF AI was updated on September 20, 2026 and EMMPA on May 13, 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.*