# KulmApp vs DRK.Chat

The clearest difference is update cadence: KulmApp at fortnightly against DRK.Chat's every 16 months. DRK.Chat's advantage is iOS requirement (15.1 vs 17.0). 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.

KulmApp ships an update fortnightly, DRK.Chat every 16 months. The most recent releases landed on October 6, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | KulmApp | DRK.Chat |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 16 months |
| Size | 87 MB | 59 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Kulmbacher Brauerei Aktien-Gesellschaft](https://appshunter.io/developer/1494879887) | [Deutsches Rotes Kreuz Medizinische Dienste Mainz-Bingen gGmbH](https://appshunter.io/developer/1647733828) |

## What reviewers say

### KulmApp

[App page](https://appshunter.io/ios/app/kulmapp/id1494879888)

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

**In-app purchases:** none


### DRK.Chat

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KulmApp free?

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

### Is DRK.Chat free?

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

### Do KulmApp or DRK.Chat have ads?

Neither KulmApp nor DRK.Chat shows ads.

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

KulmApp ships an update fortnightly, and DRK.Chat every 16 months. Most recently, KulmApp was updated on October 6, 2026 and DRK.Chat on September 29, 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.*