# Erlenbrunn vs Klein Trebbow

Erlenbrunn and Klein Trebbow 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.

Erlenbrunn ships an update every 20 months, Klein Trebbow every 26 months. Both last shipped on November 12, 2026.

## The numbers

| Metric | Erlenbrunn | Klein Trebbow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 20 months** | Every 26 months |
| Size | 6 MB | 6 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stadt Pirmasens](https://appshunter.io/developer/1693384385) | [apicodo GmbH](https://appshunter.io/developer/1169099711) |

## What reviewers say

### Erlenbrunn

[App page](https://appshunter.io/ios/app/erlenbrunn/id6450505214)

**Features:** Vision Pro support

**In-app purchases:** none


### Klein Trebbow

[App page](https://appshunter.io/ios/app/klein-trebbow/id6504913749)

**In-app purchases:** none


## Frequently asked questions

### Is Erlenbrunn free?

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

### Is Klein Trebbow free?

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

### Do Erlenbrunn or Klein Trebbow have ads?

Neither Erlenbrunn nor Klein Trebbow shows ads.

### Which is updated more often, Erlenbrunn or Klein Trebbow?

Erlenbrunn ships an update every 20 months, and Klein Trebbow every 26 months. Most recently, Erlenbrunn was updated on November 12, 2026 and Klein Trebbow on November 12, 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.*