# ZUM App vs HREX

The clearest difference is iOS requirement: ZUM App at 12.0 against HREX's 15.6. 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.

ZUM App ships an update every 6 months, HREX every 5 months. The most recent releases landed on October 8, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | ZUM App | HREX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/zum-app/id1497547230/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 months** |
| Monetization | Free | Free |
| Size | 37 MB | 49 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ZUM Immobilienmanagement GmbH](https://appshunter.io/developer/1497547229) | [Teknowledge Software](https://appshunter.io/developer/348684387) |

## What reviewers say

### ZUM App

[App page](https://appshunter.io/ios/app/zum-app/id1497547230)

Access important property information, contacts, and documents from your property management. Submit damage reports and key orders directly through your smartphone with real-time status updates.

**Highlights:** Password-protected access, Contact and emergency information, Important announcements and appointments, Access to property documents, Submit damage reports and key orders, Real-time status updates

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

**In-app purchases:** none


### HREX

[App page](https://appshunter.io/ios/app/hrex/id6443999828)

Enhance your event experience with features for networking, session planning, and exhibitor discovery. Connect with professionals, manage your schedule, and access exclusive content.

**Highlights:** Networking with community, Meeting scheduling, Lead scanning, Personalized agenda planning, Exhibitor information and content, Digital hall map navigation

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is ZUM App free?

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

### Is HREX free?

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

### Do ZUM App or HREX have ads?

Neither ZUM App nor HREX shows ads.

### Which is updated more often, ZUM App or HREX?

ZUM App ships an update every 6 months, and HREX every 5 months. Most recently, ZUM App was updated on October 8, 2026 and HREX on October 15, 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.*