# oMS mobile vs Ziesel

The clearest difference is update cadence: oMS mobile at every 4 months against Ziesel's every 17 months. oMS mobile also leads on iOS requirement (8.0 vs 12.0). On price, ads, in-app purchases and device support there is nothing between them.

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

oMS mobile ships an update every 4 months, Ziesel every 17 months. The most recent releases landed on October 3, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | oMS mobile | Ziesel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ziesel/id1515241297/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 17 months |
| Monetization | — | Free |
| Size | 3 MB | 36 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OPAL Hard- und Software Consulting GmbH](https://appshunter.io/developer/499575981) | [Ziesel Hausverwaltung OHG](https://appshunter.io/developer/1515241296) |

## What reviewers say

### oMS mobile

[App page](https://appshunter.io/ios/app/oms-mobile/id499575978)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ziesel

[App page](https://appshunter.io/ios/app/ziesel/id1515241297)

Access all property-related information digitally. Securely view important contacts, announcements, and documents. Report issues like damages or key requests directly from your smartphone with status updates.

**Highlights:** Password-protected access, Contact and emergency information, Announcements and appointments, Document access, Damage and key request reporting, Real-time status updates

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is oMS mobile free?

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

### Is Ziesel free?

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

### Do oMS mobile or Ziesel have ads?

Neither oMS mobile nor Ziesel shows ads.

### Which is updated more often, oMS mobile or Ziesel?

oMS mobile ships an update every 4 months, and Ziesel every 17 months. Most recently, oMS mobile was updated on October 3, 2026 and Ziesel on October 24, 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.*