# Bau vs koppla

Bau and koppla 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.

Bau ships an update every 2 months, koppla every 5 weeks. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Bau | koppla |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Size | 1 MB | 53 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Open Experience GmbH](https://appshunter.io/developer/952266236) | [koppla GmbH](https://appshunter.io/developer/1458971276) |

## What reviewers say

### Bau

[App page](https://appshunter.io/ios/app/bau-checklisten/id1435049037)

**In-app purchases:** none


### koppla

[App page](https://appshunter.io/ios/app/koppla/id1458971277)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Bau free?

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

### Is koppla free?

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

### Do Bau or koppla have ads?

Neither Bau nor koppla shows ads.

### Which is updated more often, Bau or koppla?

Bau ships an update every 2 months, and koppla every 5 weeks. Most recently, Bau was updated on October 26, 2026 and koppla on October 25, 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.*