# PDF Compressor vs Smart PDF Compressor

The clearest difference is ads: Smart PDF Compressor at none against PDF Compressor's shown. Smart PDF Compressor also leads on update cadence (every 9 days vs every 2 months). PDF Compressor's advantage is iOS requirement (16.0 vs 18.0). On price, 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.

PDF Compressor ships an update every 2 months, Smart PDF Compressor every 9 days. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | PDF Compressor | Smart PDF Compressor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/pdf-compressor-compress-photo/id6756270277/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | Ad-supported | — |
| Size | 15 MB | 4 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Asha Vaghasiya](https://appshunter.io/developer/1840923272) | [Quan Dang](https://appshunter.io/developer/1868401962) |

## What reviewers say

### PDF Compressor

[App page](https://appshunter.io/ios/app/pdf-compressor-compress-photo/id6756270277)

Instantly reduce the size of your photos and PDF files without sacrificing quality. This utility offers smart compression, batch processing, and offline functionality for efficient file management and storage optimization. Securely sync your files across devices with iCloud integration.

**Highlights:** Compress PDF files, Shrink photos and images, Optimize image quality, Automatic iCloud sync, Batch compression, 100% offline functionality

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

**In-app purchases:** none


### Smart PDF Compressor

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PDF Compressor free?

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

### Is Smart PDF Compressor free?

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

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

PDF Compressor shows ads; Smart PDF Compressor does not.

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

PDF Compressor ships an update every 2 months, and Smart PDF Compressor every 9 days. Most recently, PDF Compressor was updated on October 28, 2026 and Smart PDF Compressor on October 25, 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.*