# Smart PDF Compressor vs compress pdf, reduce pdf size

The clearest difference is iOS requirement: compress pdf, reduce pdf size at 15 against Smart PDF Compressor's 18.0. On price, ads, 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.

## The numbers

| Metric | Smart PDF Compressor | compress pdf, reduce pdf size |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | — |
| Size | 2 MB | 8 MB |
| Requires iOS | 18.0 | **15** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Quan Dang](https://appshunter.io/developer/1868401962) | [Sounak Sarkar](https://appshunter.io/developer/1053781571) |

## 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


### compress pdf, reduce pdf size

[App page](https://appshunter.io/ios/app/compress-pdf-reduce-pdf-size/id6782411327)

**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 compress pdf, reduce pdf size free?

compress pdf, reduce pdf size is free to download, with no in-app purchases.

### Do Smart PDF Compressor or compress pdf, reduce pdf size have ads?

Neither Smart PDF Compressor nor compress pdf, reduce pdf size 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.*