# Rosenberg vs U2D Ventari Events

The clearest difference is update cadence: Rosenberg at every 2 months against U2D Ventari Events's every 11 months. 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.

Rosenberg ships an update every 2 months, U2D Ventari Events every 11 months. The most recent releases landed on October 12, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Rosenberg | U2D Ventari Events |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 11 months |
| Monetization | Free | — |
| Size | 32 MB | 19 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Schwarz Digits IT KG](https://appshunter.io/developer/1070239293) | [up2date solutions GmbH](https://appshunter.io/developer/1055397154) |

## What reviewers say

### Rosenberg

[App page](https://appshunter.io/ios/app/rosenberg-quartier/id1628335471)

Manage all aspects of your apartment digitally, from keyless entry to accessing your rental contract. Connect with your property management and neighborhood for a seamless living experience. Discover additional services like room booking and car sharing.

**Highlights:** Keyless entry via smartphone, Digital property management connection, Damage reporting, Appointment coordination, Online rental contract access, Additional services booking

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

**In-app purchases:** none


### U2D Ventari Events

[App page](https://appshunter.io/ios/app/u2d-ventari-events/id6447303922)

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

**In-app purchases:** none


## Frequently asked questions

### Is Rosenberg free?

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

### Is U2D Ventari Events free?

U2D Ventari Events is free to download, with no in-app purchases.

### Do Rosenberg or U2D Ventari Events have ads?

Neither Rosenberg nor U2D Ventari Events shows ads.

### Which is updated more often, Rosenberg or U2D Ventari Events?

Rosenberg ships an update every 2 months, and U2D Ventari Events every 11 months. Most recently, Rosenberg was updated on October 12, 2026 and U2D Ventari Events on October 3, 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.*