# DocuMaster vs PDF Compressor

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

Both are free to download. DocuMaster sells 4 one-off in-app purchases and PDF Compressor sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

DocuMaster ships an update every 4 months, PDF Compressor every 3 weeks. The most recent releases landed on October 9, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | DocuMaster | PDF Compressor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Size | 28 MB | 7 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Manpreet Singh](https://appshunter.io/developer/1852677466) | [荣晖 丁](https://appshunter.io/developer/1455797103) |

## What reviewers say

### DocuMaster

[App page](https://appshunter.io/ios/app/documaster/id6756556008)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Credits | $0.99 | one-time |
| 50 Credits | $3.99 | one-time |
| 150 Credits | $9.99 | one-time |
| Lifetime Pro | $19.99 | one-time |


### PDF Compressor

[App page](https://appshunter.io/ios/app/pdf-compressor-shrink-files/id6767108146)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $0.99 | per month |
| Yearly Pro | $2.99 | per year |
| Lifetime Pro | $3.99 | one-time |


## Frequently asked questions

### Is DocuMaster free?

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

### Is PDF Compressor free?

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

### Do DocuMaster or PDF Compressor have ads?

DocuMaster shows ads; PDF Compressor does not.

### Which is updated more often, DocuMaster or PDF Compressor?

DocuMaster ships an update every 4 months, and PDF Compressor every 3 weeks. Most recently, DocuMaster was updated on October 9, 2026 and PDF Compressor on October 12, 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.*