# PDF Compressor vs AI Presentation Generator

The clearest difference is in-app purchases: AI Presentation Generator at none against PDF Compressor's 3. AI Presentation Generator also leads on ads (none vs shown). PDF Compressor's advantage is update cadence (monthly vs every 4 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. PDF Compressor sells 3 in-app purchases, starting at $4.99 per 7 days. AI Presentation Generator asks for nothing beyond the download.

PDF Compressor ships an update monthly, AI Presentation Generator every 4 months. The most recent releases landed on September 25, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | PDF Compressor | AI Presentation Generator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (57 ratings)](https://appshunter.io/ios/app/pdf-compressor-size-reduce/id1643148563/reviews)** | — |
| Number of ratings | **57** | — |
| Positive reviews | 55.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 35 MB | 32 MB |
| Requires iOS | **13.0** | 14.0.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Hardik Dhameliya](https://appshunter.io/developer/1611140120) | [Faizan Abid](https://appshunter.io/developer/1689947793) |

## What reviewers say

### PDF Compressor

[App page](https://appshunter.io/ios/app/pdf-compressor-size-reduce/id1643148563)

Easily reduce the size of your PDF files with this utility app. It offers a range of tools to compress, edit, and convert PDFs, saving you disk space and improving upload/download speeds. Features include OCR, merging, page removal, and security options.

**Highlights:** Compress PDF files, OCR and Text Recognition, Merge and split PDFs, Remove/add pages, Lock and unlock PDFs, Convert PDF to text/images, Add watermarks and signatures

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription Weekly | $4.99 | per 7 days |
| Subscription Monthly | $9.99 | per month |
| Subscription Yearly | $19.99 | per year |


### AI Presentation Generator

[App page](https://appshunter.io/ios/app/ai-presentation-generator/id6503667923)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PDF Compressor free?

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

### Is AI Presentation Generator free?

AI Presentation Generator is free to download, with no in-app purchases.

### Do PDF Compressor or AI Presentation Generator have ads?

PDF Compressor shows ads; AI Presentation Generator does not.

### Which is updated more often, PDF Compressor or AI Presentation Generator?

PDF Compressor ships an update monthly, and AI Presentation Generator every 4 months. Most recently, PDF Compressor was updated on September 25, 2026 and AI Presentation Generator on May 16, 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.*