# PDF Compressor vs Compress PDF

The clearest difference is update cadence: Compress PDF at weekly against PDF Compressor's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PDF Compressor sells 3 in-app purchases, starting at $0.99 per month and Compress PDF sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

PDF Compressor ships an update every 3 weeks, Compress PDF weekly. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | PDF Compressor | Compress PDF |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 7 MB | 1 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [荣晖 丁](https://appshunter.io/developer/1455797103) | [Jhomar Maravillas](https://appshunter.io/developer/6783703541) |

## What reviewers say

### 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 |


### Compress PDF

[App page](https://appshunter.io/ios/app/compress-pdf-smaller-files/id6784308237)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Unlimited | $4.99 | one-time |


## Frequently asked questions

### Is PDF Compressor free?

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

### Is Compress PDF free?

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

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

Neither PDF Compressor nor Compress PDF shows ads.

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

PDF Compressor ships an update every 3 weeks, and Compress PDF weekly. Most recently, PDF Compressor was updated on October 28, 2026 and Compress PDF 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.*