# Big Reader vs PDF Compressor

The clearest difference is update cadence: Big Reader at every 2 weeks against PDF Compressor's every 4 months. PDF Compressor's advantage is iOS requirement (15.6 vs 17). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Big Reader sells 2 in-app purchases, starting at $1.99 per month and PDF Compressor sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Big Reader ships an update every 2 weeks, PDF Compressor every 4 months. The most recent releases landed on October 9, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Big Reader | PDF Compressor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/pdf-compressor-pdfpress/id6756151715/reviews)** |
| Number of ratings | — | **5** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 months |
| Monetization | — | Free with in-app purchases |
| Size | 16 MB | 48 MB |
| Requires iOS | 17 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hassan Hattab](https://appshunter.io/developer/991737639) | [Imad Khan](https://appshunter.io/developer/1835041090) |

## What reviewers say

### Big Reader

[App page](https://appshunter.io/ios/app/big-reader-read-everything/id6756084126)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $1.99 | per month |
| Yearly Subscription | $19.99 | per year |


### PDF Compressor

[App page](https://appshunter.io/ios/app/pdf-compressor-pdfpress/id6756151715)

Easily reduce the size of PDF files without sacrificing quality. Organize documents with folders and import PDFs instantly. Ideal for students, professionals, and anyone needing to manage digital documents efficiently.

**Highlights:** Ultra-efficient PDF compression (up to 98%), High-quality output, Simple file picker, Built-in folder organization, Fast, intuitive interface, Works offline, Share compressed PDFs (Premium)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Yearly Premium | $19.99 | per year |


## Frequently asked questions

### Is Big Reader free?

Big Reader is free to download, with in-app purchases available.

### Is PDF Compressor free?

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

### Do Big Reader or PDF Compressor have ads?

Neither Big Reader nor PDF Compressor shows ads.

### Which is updated more often, Big Reader or PDF Compressor?

Big Reader ships an update every 2 weeks, and PDF Compressor every 4 months. Most recently, Big Reader was updated on October 9, 2026 and PDF Compressor on September 27, 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.*