# STS Pharma CRM vs PDF Compressor

The clearest difference is in-app purchases: STS Pharma CRM at none against PDF Compressor's 2. PDF Compressor's advantage is update cadence (every 4 months vs every 8 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PDF Compressor sells 2 in-app purchases, starting at $4.99 per 7 days. STS Pharma CRM asks for nothing beyond the download.

STS Pharma CRM ships an update every 8 months, PDF Compressor every 4 months. The most recent releases landed on October 30, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | STS Pharma CRM | PDF Compressor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pdf-compressor-compress-pdf/id6754936909/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 months** |
| Monetization | — | Free with in-app purchases |
| Size | 40 MB | 46 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [STS EGYPT](https://appshunter.io/developer/1533680748) | [Andrii Kulchytskyi](https://appshunter.io/developer/1759867572) |

## What reviewers say

### STS Pharma CRM

[App page](https://appshunter.io/ios/app/sts-pharma-crm/id6499268218)

**Features:** Vision Pro support

**In-app purchases:** none


### PDF Compressor

[App page](https://appshunter.io/ios/app/pdf-compressor-compress-pdf/id6754936909)

Easily reduce the size of PDF documents for faster sharing and efficient storage. This tool offers multiple compression levels to balance quality and file size, all within a simple interface. It integrates with your device's file system and sharing options.

**Highlights:** Fast PDF compression, Multiple compression levels, Simple, clean interface, Open from Files app, Share compressed PDFs, Save storage space

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Compressor Weekly 3 DAYS trial | $4.99 | per 7 days |
| PDF Compressor Yearly | $19.99 | per year |


## Frequently asked questions

### Is STS Pharma CRM free?

STS Pharma CRM is free to download, with no in-app purchases.

### Is PDF Compressor free?

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

### Do STS Pharma CRM or PDF Compressor have ads?

Neither STS Pharma CRM nor PDF Compressor shows ads.

### Which is updated more often, STS Pharma CRM or PDF Compressor?

STS Pharma CRM ships an update every 8 months, and PDF Compressor every 4 months. Most recently, STS Pharma CRM was updated on October 30, 2026 and PDF Compressor on October 18, 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.*