# PDF Compressor vs Smart PDF Compressor

The clearest difference is in-app purchases: Smart PDF Compressor at none against PDF Compressor's 2. Smart PDF Compressor also leads on update cadence (every 9 days vs every 6 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PDF Compressor sells 2 in-app purchases, starting at $7.99 per month. Smart PDF Compressor asks for nothing beyond the download.

PDF Compressor ships an update every 6 months, Smart PDF Compressor every 9 days. The most recent releases landed on June 11, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | PDF Compressor | Smart PDF Compressor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pdf-compressor-size-reducer/id6754800758/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 24 MB | 1 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Fenuku Kekeli](https://appshunter.io/developer/1822419894) | [Quan Dang](https://appshunter.io/developer/1868401962) |

## What reviewers say

### PDF Compressor

[App page](https://appshunter.io/ios/app/pdf-compressor-size-reducer/id6754800758)

This utility app quickly reduces the file size of PDFs by up to 90% while preserving quality. It offers adjustable compression levels and allows for batch processing, making it ideal for sharing and storage.

**Highlights:** Up to 90% size reduction, Adjustable compression levels, Batch processing, Offline use, Quality preservation, Instant results

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access for a month | $7.99 | per month |
| All Access for a year | $39.99 | per year |


### 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 in-app purchases available.

### 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?

Neither PDF Compressor nor Smart PDF Compressor shows ads.

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

PDF Compressor ships an update every 6 months, and Smart PDF Compressor every 9 days. Most recently, PDF Compressor was updated on June 11, 2026 and Smart PDF Compressor on September 19, 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.*