# airCHeck vs databaum

The clearest difference is update cadence: databaum at fortnightly against airCHeck's every 5 months. 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.

airCHeck ships an update every 5 months, databaum fortnightly. The most recent releases landed on August 29, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | airCHeck | databaum |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 25 MB | 87 MB |
| Requires iOS | 15.0 | **14.0.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Blackpoints AG](https://appshunter.io/developer/542595401) | [databaum GmbH](https://appshunter.io/developer/1748522197) |

## What reviewers say

### airCHeck

[App page](https://appshunter.io/ios/app/aircheck/id577766644)

Check current air quality across Switzerland and Liechtenstein. View pollution levels, health effects, and protective advice for high pollution events.

**Highlights:** Real-time air quality checks, Coverage of Switzerland and Liechtenstein, Pollution index display, Fine particle, ozone, and nitrogen dioxide data, Health effects information, Protective advice for high pollution

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

**In-app purchases:** none


### databaum

[App page](https://appshunter.io/ios/app/databaum/id1626077921)

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

**In-app purchases:** none


## Frequently asked questions

### Is airCHeck free?

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

### Is databaum free?

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

### Do airCHeck or databaum have ads?

Neither airCHeck nor databaum shows ads.

### Which is updated more often, airCHeck or databaum?

airCHeck ships an update every 5 months, and databaum fortnightly. Most recently, airCHeck was updated on August 29, 2026 and databaum on September 24, 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.*