# PDF Compress vs BigBrother

The clearest difference is in-app purchases: BigBrother at none against PDF Compress's 3. BigBrother also leads on iOS requirement (12.0 vs 16.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PDF Compress sells 3 in-app purchases, starting at $1.99 per 7 days. BigBrother asks for nothing beyond the download.

PDF Compress ships an update every 3 months, BigBrother every 5 months. The most recent releases landed on October 30, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | PDF Compress | BigBrother |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/pdf-compress-size-compressor/id6642679859/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 29 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mohamed Oufqir](https://appshunter.io/developer/1750312649) | [AMIRA MOHAMED IBRAHIM](https://appshunter.io/developer/1451393582) |

## What reviewers say

### PDF Compress

[App page](https://appshunter.io/ios/app/pdf-compress-size-compressor/id6642679859)

This tool allows you to significantly reduce the size of PDF files, making them easier to share. It offers multiple compression levels and a user-friendly interface for quick and efficient file management. You can also rename and preview files before sharing.

**Highlights:** Compress PDF files to desired size, Multiple compression levels, User-friendly design, Fast and easy-to-use interface, Achieve over 90% compression, Rename PDF files, Preview PDF files

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Week | $1.99 | per 7 days |
| Month | $4.99 | per month |
| Year | $14.99 | per year |


### BigBrother

[App page](https://appshunter.io/ios/app/bigbrother/id6754794484)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PDF Compress free?

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

### Is BigBrother free?

BigBrother is free to download, with no in-app purchases.

### Do PDF Compress or BigBrother have ads?

Neither PDF Compress nor BigBrother shows ads.

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

PDF Compress ships an update every 3 months, and BigBrother every 5 months. Most recently, PDF Compress was updated on October 30, 2026 and BigBrother on October 6, 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.*