# Convert PDF vs PDF Compression

The clearest difference is ads: Convert PDF at none against PDF Compression's shown. PDF Compression's advantage is update cadence (every 4 days vs every 7 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Convert PDF sells 2 in-app purchases, starting at $1.99 per 7 days and PDF Compression sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Convert PDF ships an update every 7 months, PDF Compression every 4 days. The most recent releases landed on September 9, 2026 and July 3, 2026 respectively.

## The numbers

| Metric | Convert PDF | PDF Compression |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/pdf-compression/id6752516285/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 11 MB | 19 MB |
| Requires iOS | **17.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Marie-Alix Ayrault](https://appshunter.io/developer/1838322386) | [Antonio Gonzalez de la aleja german](https://appshunter.io/developer/1839645711) |

## What reviewers say

### Convert PDF

[App page](https://appshunter.io/ios/app/convert-pdf-scan-and-compress/id6752223742)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $1.99 | per 7 days |
| Annual | $44.99 | per year |


### PDF Compression

[App page](https://appshunter.io/ios/app/pdf-compression/id6752516285)

Easily reduce the size of your PDF files without sacrificing quality. This tool is perfect for students and professionals needing to optimize documents for storage, email, or sharing. Compress multiple files quickly and efficiently.

**Highlights:** Compress PDFs for free, Reduce file size to specific megabytes, Optimize documents for email and sharing, Compress multiple PDFs at once, Maintain document quality during compression, Convert PDFs to ZIP format

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is Convert PDF free?

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

### Is PDF Compression free?

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

### Do Convert PDF or PDF Compression have ads?

PDF Compression shows ads; Convert PDF does not.

### Which is updated more often, Convert PDF or PDF Compression?

Convert PDF ships an update every 7 months, and PDF Compression every 4 days. Most recently, Convert PDF was updated on September 9, 2026 and PDF Compression on July 3, 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.*