# Bau vs fbOS Assistant

The clearest difference is update cadence: fbOS Assistant at every 3 days against Bau's every 5 months. fbOS Assistant also leads on iOS requirement (10.3 vs 14.0). 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.

Bau ships an update every 5 months, fbOS Assistant every 3 days. The most recent releases landed on October 11, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Bau | fbOS Assistant |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 2 MB | 17 MB |
| Requires iOS | 14.0 | **10.3** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Open Experience GmbH](https://appshunter.io/developer/952266236) | [VusionGroup Deutschland GmbH](https://appshunter.io/developer/1178959147) |

## What reviewers say

### Bau

[App page](https://appshunter.io/ios/app/bau-mangel/id952266237)

Streamline construction defect management with this mobile service. Capture issues on-site with photos, freehand notes, and text modules, automating documentation and saving significant time.

**Highlights:** On-site defect capture, Photo and freehand notes, Automated documentation, Time-saving text modules, Defect assignment and tracking, Email notifications and reports

**In-app purchases:** none


### fbOS Assistant

[App page](https://appshunter.io/ios/app/fbos-assistant/id1453393090)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Bau free?

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

### Is fbOS Assistant free?

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

### Do Bau or fbOS Assistant have ads?

Neither Bau nor fbOS Assistant shows ads.

### Which is updated more often, Bau or fbOS Assistant?

Bau ships an update every 5 months, and fbOS Assistant every 3 days. Most recently, Bau was updated on October 11, 2026 and fbOS Assistant on October 8, 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.*