# Mölln vs bau

The clearest difference is update cadence: bau at every 3 weeks against Mölln's every 22 months. Mölln's advantage is iOS requirement (15.0 vs 18.0). 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.

Mölln ships an update every 22 months, bau every 3 weeks. The most recent releases landed on October 8, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Mölln | bau |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 6 MB | 22 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [apicodo GmbH](https://appshunter.io/developer/1169099711) | [Baugewerbeverband Schleswig-Holstein](https://appshunter.io/developer/6795161179) |

## What reviewers say

### Mölln

[App page](https://appshunter.io/ios/app/molln/id6737598752)

Stay informed about events, appointments, and current topics in the city. This platform also allows users to initiate discussions on topics of interest.

**Highlights:** City event updates, Appointment information, Current topic discussions, User-initiated topics, Community engagement

**In-app purchases:** none


### bau

[App page](https://appshunter.io/ios/app/bau-sh/id6795161177)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mölln free?

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

### Is bau free?

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

### Do Mölln or bau have ads?

Neither Mölln nor bau shows ads.

### Which is updated more often, Mölln or bau?

Mölln ships an update every 22 months, and bau every 3 weeks. Most recently, Mölln was updated on October 8, 2026 and bau on October 24, 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.*