# TP QUALITY vs Bau

The clearest difference is update cadence: TP QUALITY at every 3 weeks against Bau's every 2 months. TP QUALITY also leads on iOS requirement (12.0 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.

TP QUALITY ships an update every 3 weeks, Bau every 2 months. The most recent releases landed on October 9, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | TP QUALITY | Bau |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 244 MB | 1 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [think project! GmbH](https://appshunter.io/developer/1228068382) | [Open Experience GmbH](https://appshunter.io/developer/952266236) |

## What reviewers say

### TP QUALITY

[App page](https://appshunter.io/ios/app/tp-quality/id1317280774)

**In-app purchases:** none


### Bau

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

**In-app purchases:** none


## Frequently asked questions

### Is TP QUALITY free?

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

### Is Bau free?

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

### Do TP QUALITY or Bau have ads?

Neither TP QUALITY nor Bau shows ads.

### Which is updated more often, TP QUALITY or Bau?

TP QUALITY ships an update every 3 weeks, and Bau every 2 months. Most recently, TP QUALITY was updated on October 9, 2026 and Bau on October 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.*