# Luftqualität vs Six

The clearest difference is update cadence: Six at every 2 months against Luftqualität's every 4 months. Six also leads on iOS requirement (13.0 vs 17.0). 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.

Luftqualität ships an update every 4 months, Six every 2 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Luftqualität | Six |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (11 ratings)](https://appshunter.io/ios/app/luftqualitat/id1311567811/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 98.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 46 MB | 109 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Umweltbundesamt](https://appshunter.io/developer/583898621) | [Universitaetsklinikum Wuerzburg](https://appshunter.io/developer/1519399355) |

## What reviewers say

### Luftqualität

[App page](https://appshunter.io/ios/app/luftqualitat/id1311567811)

Monitor air quality across Germany with hourly updates for over 400 stations. Receive personalized behavior tips based on air quality indices and get alerts for poor air conditions. View pollution maps and forecasts for upcoming days.

**Highlights:** Hourly air quality updates, Air quality index with behavior tips, Pollution maps and forecasts, Customizable alerts for poor air, Home screen widgets

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Six

[App page](https://appshunter.io/ios/app/six-minute-walk-test/id6480072769)

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

**In-app purchases:** none


## Frequently asked questions

### Is Luftqualität free?

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

### Is Six free?

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

### Do Luftqualität or Six have ads?

Neither Luftqualität nor Six shows ads.

### Which is updated more often, Luftqualität or Six?

Luftqualität ships an update every 4 months, and Six every 2 months. Most recently, Luftqualität was updated on October 26, 2026 and Six 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.*