# Ockholm vs bau

The clearest difference is update cadence: bau at every 2 weeks against Ockholm's every 25 months. Ockholm'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.

Ockholm ships an update every 25 months, bau every 2 weeks. The most recent releases landed on October 30, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Ockholm | bau |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 25 months | **Every 2 weeks** |
| Size | 5 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

### Ockholm

[App page](https://appshunter.io/ios/app/ockholm/id6587566304)

**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 Ockholm free?

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

### Is bau free?

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

### Do Ockholm or bau have ads?

Neither Ockholm nor bau shows ads.

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

Ockholm ships an update every 25 months, and bau every 2 weeks. Most recently, Ockholm was updated on October 30, 2026 and bau on October 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.*