# air@home vs HS

The clearest difference is update cadence: HS at every 3 weeks against air@home's every 2 months. air@home's advantage is iOS requirement (8.0 vs 17.6). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

air@home ships an update every 2 months, HS every 3 weeks. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | air@home | HS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hs-221/id1622669307/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 89 MB | 5 MB |
| Requires iOS | **8.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Maico Elektroapparate-Fabrik GmbH](https://appshunter.io/developer/1005637983) | [HUMITAT-STOP S.L.](https://appshunter.io/developer/1622669309) |

## What reviewers say

### air@home

[App page](https://appshunter.io/ios/app/airhome/id1005637984)

Control your home ventilation system remotely for optimal air quality, temperature, and humidity. Monitor your environment and protect your home's structure from anywhere using your smartphone or tablet.

**Highlights:** Remote ventilation control, Real-time air quality monitoring, Temperature and humidity tracking, Building structure protection, Energy recovery data display, Tenant access control

**In-app purchases:** none


### HS

[App page](https://appshunter.io/ios/app/hs-221/id1622669307)

This app measures and records rising damp in walls by calculating electrical resistance between two points. Readings are transmitted via Bluetooth and stored on your iPhone for easy access and analysis.

**Highlights:** Measures wall humidity, Calculates electrical resistivity, Bluetooth data transmission, Stores readings on iPhone, Rising damp registration system

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is air@home free?

air@home is free to download, with no in-app purchases.

### Is HS free?

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

### Do air@home or HS have ads?

Neither air@home nor HS shows ads.

### Which is updated more often, air@home or HS?

air@home ships an update every 2 months, and HS every 3 weeks. Most recently, air@home was updated on October 24, 2026 and HS on October 30, 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.*