# PDF Compress vs علم بالقلم

The clearest difference is in-app purchases: علم بالقلم at none against PDF Compress's 3. علم بالقلم also leads on update cadence (every 2 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

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

PDF Compress ships an update every 3 months, علم بالقلم every 2 days. The most recent releases landed on September 27, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | PDF Compress | علم بالقلم |
| --- | --- | --- |
| 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 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 71 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mohamed Oufqir](https://appshunter.io/developer/1750312649) | [Mohammed Dabi](https://appshunter.io/developer/1770524330) |

## 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 |


### علم بالقلم

[App page](https://appshunter.io/ios/app/id6801360498)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Compress free?

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

### Is علم بالقلم free?

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

### Do PDF Compress or علم بالقلم have ads?

Neither PDF Compress nor علم بالقلم shows ads.

### Which is updated more often, PDF Compress or علم بالقلم?

PDF Compress ships an update every 3 months, and علم بالقلم every 2 days. Most recently, PDF Compress was updated on September 27, 2026 and علم بالقلم on October 22, 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.*