# Compress PDF vs PDF Size Reducer & Compressor

The clearest difference is update cadence: Compress PDF at every 10 days against PDF Size Reducer & Compressor's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Compress PDF sells 3 in-app purchases, starting at $1.99 per 7 days and PDF Size Reducer & Compressor sells 2 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Compress PDF ships an update every 10 days, PDF Size Reducer & Compressor every 3 weeks. Both last shipped on November 5, 2026.

## The numbers

| Metric | Compress PDF | PDF Size Reducer & Compressor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (15 ratings)](https://appshunter.io/ios/app/compress-pdf-resize-pdf/id6753917813/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | Freemium | — |
| Size | 7 MB | 10 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [PremiumAl Limited](https://appshunter.io/developer/1865407557) | [Baris Mustafa Han Unlu](https://appshunter.io/developer/1852272455) |

## What reviewers say

### Compress PDF

[App page](https://appshunter.io/ios/app/compress-pdf-resize-pdf/id6753917813)

Easily reduce the size of PDF files for better storage and sharing. This tool also allows you to resize pages to various standard formats and convert images or text into PDFs. Advanced features include OCR and annotation.

**Highlights:** PDF compression with adjustable quality, Resize pages to standard and custom dimensions, Convert photos and text to PDF, Smart document scanner, OCR for text extraction, PDF annotation and markup, Merge and extract PDF pages

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 会员 | $1.99 | per 7 days |
| 会员 | $1.99 | per 7 days |
| Premium | $4.99 | one-time |


### PDF Size Reducer & Compressor

[App page](https://appshunter.io/ios/app/pdf-size-reducer-and-compressor/id6758089930)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Compress | $2.99 | per 7 days |
| Smart Compression | $5.99 | per month |


## Frequently asked questions

### Is Compress PDF free?

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

### Is PDF Size Reducer & Compressor free?

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

### Do Compress PDF or PDF Size Reducer & Compressor have ads?

Neither Compress PDF nor PDF Size Reducer & Compressor shows ads.

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

Compress PDF ships an update every 10 days, and PDF Size Reducer & Compressor every 3 weeks. Most recently, Compress PDF was updated on November 5, 2026 and PDF Size Reducer & Compressor on November 5, 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.*