# pdf compressor. vs Marinelli GSM

The clearest difference is iOS requirement: Marinelli GSM at 15.0 against pdf compressor.'s 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

pdf compressor. ships an update every 13 months, Marinelli GSM every 8 months. The most recent releases landed on October 20, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | pdf compressor. | Marinelli GSM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (30 ratings)](https://appshunter.io/ios/app/pdf-compressor/id6547852427/reviews)** | — |
| Number of ratings | **30** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 8 months** |
| Monetization | Free | — |
| Size | 4 MB | 50 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Muhammed Efdal incesu](https://appshunter.io/developer/1748859357) | [Aeris Elettronica srl](https://appshunter.io/developer/1240206599) |

## What reviewers say

### pdf compressor.

[App page](https://appshunter.io/ios/app/pdf-compressor/id6547852427)

Easily shrink and optimize PDF files to save storage space and improve sharing efficiency. This tool offers fast compression without compromising quality, making your documents more manageable for email, storage, or online sharing.

**Highlights:** Compress PDF files, Reduce PDF size, Optimize PDF files, Shrink PDF files, Fast compression, File size reduction

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

**In-app purchases:** none


### Marinelli GSM

[App page](https://appshunter.io/ios/app/marinelli-gsm/id6670172841)

**In-app purchases:** none


## Frequently asked questions

### Is pdf compressor. free?

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

### Is Marinelli GSM free?

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

### Do pdf compressor. or Marinelli GSM have ads?

Neither pdf compressor. nor Marinelli GSM shows ads.

### Which is updated more often, pdf compressor. or Marinelli GSM?

pdf compressor. ships an update every 13 months, and Marinelli GSM every 8 months. Most recently, pdf compressor. was updated on October 20, 2026 and Marinelli GSM on October 19, 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.*