# metasonic® Doc Client vs Zeppelin Rental Mediacenter

The clearest difference is iOS requirement: metasonic® Doc Client at 12.0 against Zeppelin Rental Mediacenter's 15.0. 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.

metasonic® Doc Client ships an update every 5 months, Zeppelin Rental Mediacenter every 8 months. Both last shipped on November 6, 2026.

## The numbers

| Metric | metasonic® Doc Client | Zeppelin Rental Mediacenter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 8 months |
| Size | 29 MB | 14 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Allgeier Inovar GmbH](https://appshunter.io/developer/532521228) | [Zeppelin GmbH](https://appshunter.io/developer/1256525842) |

## What reviewers say

### metasonic® Doc Client

[App page](https://appshunter.io/ios/app/metasonic-doc-client/id594487829)

**In-app purchases:** none


### Zeppelin Rental Mediacenter

[App page](https://appshunter.io/ios/app/zeppelin-rental-mediacenter/id1453370018)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is metasonic® Doc Client free?

metasonic® Doc Client is free to download, with no in-app purchases.

### Is Zeppelin Rental Mediacenter free?

Zeppelin Rental Mediacenter is free to download, with no in-app purchases.

### Do metasonic® Doc Client or Zeppelin Rental Mediacenter have ads?

Neither metasonic® Doc Client nor Zeppelin Rental Mediacenter shows ads.

### Which is updated more often, metasonic® Doc Client or Zeppelin Rental Mediacenter?

metasonic® Doc Client ships an update every 5 months, and Zeppelin Rental Mediacenter every 8 months. Most recently, metasonic® Doc Client was updated on November 6, 2026 and Zeppelin Rental Mediacenter on November 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.*