# DRK.Chat vs Wallertheim App

The clearest difference is update cadence: Wallertheim App at every 2 months against DRK.Chat's every 16 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.

DRK.Chat ships an update every 16 months, Wallertheim App every 2 months. Both last shipped on September 10, 2026.

## The numbers

| Metric | DRK.Chat | Wallertheim App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 2 months** |
| Size | 59 MB | 47 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Deutsches Rotes Kreuz Medizinische Dienste Mainz-Bingen gGmbH](https://appshunter.io/developer/1647733828) | [Christian Maidhof](https://appshunter.io/developer/1684834118) |

## What reviewers say

### DRK.Chat

[App page](https://appshunter.io/ios/app/drkchat/id1591625738)

**Features:** macOS Compatibility

**In-app purchases:** none


### Wallertheim App

[App page](https://appshunter.io/ios/app/wallertheim-app/id6448482724)

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

**In-app purchases:** none


## Frequently asked questions

### Is DRK.Chat free?

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

### Is Wallertheim App free?

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

### Do DRK.Chat or Wallertheim App have ads?

Neither DRK.Chat nor Wallertheim App shows ads.

### Which is updated more often, DRK.Chat or Wallertheim App?

DRK.Chat ships an update every 16 months, and Wallertheim App every 2 months. Most recently, DRK.Chat was updated on September 10, 2026 and Wallertheim App on September 10, 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.*