# PDF Compress vs AI Audio Editor

The clearest difference is in-app purchases: PDF Compress at none against AI Audio Editor's 7. AI Audio Editor's advantage is iOS requirement (14.0 vs 17.4). On price, ads and device support there is nothing between them.

Both are free to download. AI Audio Editor sells 7 in-app purchases, starting at $2.99 per 7 days. PDF Compress asks for nothing beyond the download.

## The numbers

| Metric | PDF Compress | AI Audio Editor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/pdf-compress-reduce-pdf-size/id6504757939/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | — |
| Monetization | Free | — |
| Size | 5 MB | 42 MB |
| Requires iOS | 17.4 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shivang Mishra](https://appshunter.io/developer/1721126376) | [Ruiguang Yan](https://appshunter.io/developer/535808743) |

## What reviewers say

### PDF Compress

[App page](https://appshunter.io/ios/app/pdf-compress-reduce-pdf-size/id6504757939)

Effortlessly reduce the size of PDF documents on your iPhone or iPad. Choose from multiple compression levels to save storage space and optimize file sharing, all while maintaining excellent quality. Your documents are processed locally for enhanced privacy and security.

**Highlights:** Compress PDF files without quality loss, Multiple compression level options, User-friendly interface, Save space and improve sharing efficiency, Preview compressed PDFs, Local processing for privacy, Integrates with iOS Files app

**Features:** macOS Compatibility

**In-app purchases:** none


### AI Audio Editor

[App page](https://appshunter.io/ios/app/ai-audio-editor/id6791076357)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| weekly ai audio editor vip | $2.99 | per 7 days |
| monthly ai audio editor vip | $6.99 | per month |
| yearly ai audio editor vip | $39.99 | per year |
| ai audio editor gold | $1.99 | one-time |
| ai audio editor gold | $3.99 | one-time |
| ai audio editor gold | $9.99 | one-time |
| ai audio editor gold | $19.99 | one-time |


## Frequently asked questions

### Is PDF Compress free?

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

### Is AI Audio Editor free?

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

### Do PDF Compress or AI Audio Editor have ads?

Neither PDF Compress nor AI Audio Editor shows ads.

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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.*