# Luftqualität vs TK

The clearest difference is review sentiment: Luftqualität at 98% against TK's 52%. Luftqualität also leads on rating (5.0 vs 4.2) and device support (3 vs 1). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Luftqualität holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 11 and 6 respectively. Written reviews point the same way: 98% of Luftqualität's written reviews are positive against 52% of TK's.

Luftqualität ships an update every 4 months, TK every 2 months. The most recent releases landed on September 24, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Luftqualität | TK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (11 ratings)](https://appshunter.io/ios/app/luftqualitat/id1311567811/reviews)** | [4.2 (6 ratings)](https://appshunter.io/ios/app/tk-coach/id6444313653/reviews) |
| Number of ratings | **11** | 6 |
| Positive reviews | **98.0% of reviews** | 51.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 46 MB | 68 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Umweltbundesamt](https://appshunter.io/developer/583898621) | [Techniker Krankenkasse (TK)](https://appshunter.io/developer/355493231) |

## 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


### TK

[App page](https://appshunter.io/ios/app/tk-coach/id6444313653)

Achieve all-round wellbeing with personalized plans for fitness, nutrition, and relaxation. Set goals, track progress with self-tests, and receive motivating tips and recipe suggestions. Integrates with smartwatches for a holistic health overview.

**Highlights:** Personalized coaching plans, Fitness exercises and audio coaching, Extensive recipe database, Meditation and mindfulness exercises, Smartwatch and fitness tracker integration, Progress tracking and self-tests

**In-app purchases:** none


## Frequently asked questions

### Is Luftqualität free?

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

### Is TK free?

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

### Which has better reviews, Luftqualität or TK?

Luftqualität is rated higher. Luftqualität averages 5.0 out of 5 from 11 ratings, while TK averages 4.2 from 6 ratings.

### Do Luftqualität or TK have ads?

Neither Luftqualität nor TK shows ads.

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

Luftqualität ships an update every 4 months, and TK every 2 months. Most recently, Luftqualität was updated on September 24, 2026 and TK on September 26, 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.*