# airCHeck vs Aare Guru

airCHeck and Aare Guru are too close to call on the numbers: across 8 compared parameters — price, review sentiment, update cadence and ads among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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, Aare Guru every 4 months. The most recent releases landed on October 29, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | airCHeck | Aare Guru |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/aare-guru/id1000197597/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 25 MB | 13 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPod, Apple TV, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Blackpoints AG](https://appshunter.io/developer/542595401) | [Reto Lehnherr](https://appshunter.io/developer/1000197596) |

## 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


### Aare Guru

[App page](https://appshunter.io/ios/app/aare-guru/id1000197597)

Get real-time temperature and water level data for the Aare river, along with a two-hour forecast. This app also provides daily weather predictions and precise sunrise/sunset times for specific locations.

**Highlights:** Real-time temperature, Water level data, Two-hour forecast, Daily weather predictions, Sunrise/sunset times

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

**In-app purchases:** none


## Frequently asked questions

### Is airCHeck free?

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

### Is Aare Guru free?

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

### Do airCHeck or Aare Guru have ads?

Neither airCHeck nor Aare Guru shows ads.

### Which is updated more often, airCHeck or Aare Guru?

airCHeck ships an update every 5 months, and Aare Guru every 4 months. Most recently, airCHeck was updated on October 29, 2026 and Aare Guru on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*