# Smart PDF Compressor vs PDF Compressor

The clearest difference is ads: Smart PDF Compressor at none against PDF Compressor's shown. PDF Compressor's advantage is iOS requirement (15.0 vs 18.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Smart PDF Compressor ships an update every 9 days, PDF Compressor every 8 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Smart PDF Compressor | PDF Compressor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 9 days | **Every 8 days** |
| Size | 4 MB | 5 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Quan Dang](https://appshunter.io/developer/1868401962) | [TAREQ ALHUSAINI](https://appshunter.io/developer/1259393688) |

## What reviewers say

### Smart PDF Compressor

[App page](https://appshunter.io/ios/app/smart-pdf-compressor-reduce/id6757997785)

**Features:** macOS Compatibility

**In-app purchases:** none


### PDF Compressor

[App page](https://appshunter.io/ios/app/pdf-compressor-reduce-pdf/id6809077494)

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

**In-app purchases:** none


## Frequently asked questions

### Is Smart PDF Compressor free?

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

### Is PDF Compressor free?

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

### Do Smart PDF Compressor or PDF Compressor have ads?

PDF Compressor shows ads; Smart PDF Compressor does not.

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

Smart PDF Compressor ships an update every 9 days, and PDF Compressor every 8 days. Most recently, Smart PDF Compressor was updated on October 31, 2026 and PDF Compressor on October 31, 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.*