# Dermathority vs Koeien & Kaas

Dermathority and Koeien & Kaas are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Dermathority | Koeien & Kaas |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 76 MB | 82 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Authic Labs B.V.](https://appshunter.io/developer/1786546025) | [Steaks & Cheese Hospitality Group BV](https://appshunter.io/developer/1824133095) |

## What reviewers say

### Dermathority

[App page](https://appshunter.io/ios/app/dermathority/id6743939149)

**In-app purchases:** none


### Koeien & Kaas

[App page](https://appshunter.io/ios/app/koeien-and-kaas/id6748058053)

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Dermathority free?

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

### Is Koeien & Kaas free?

Koeien & Kaas is free to download, with no in-app purchases.

### Do Dermathority or Koeien & Kaas have ads?

Neither Dermathority nor Koeien & Kaas shows ads.

### Which is updated more often, Dermathority or Koeien & Kaas?

Dermathority ships an update every 3 weeks, and Koeien & Kaas every 3 weeks. Most recently, Dermathority was updated on October 30, 2026 and Koeien & Kaas on November 5, 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.*