# air@home vs Modbus TCP Station

The clearest difference is in-app purchases: air@home at none against Modbus TCP Station's 2. air@home also leads on ads (none vs shown) and iOS requirement (8.0 vs 15.0). Modbus TCP Station's advantage is update cadence (every 10 days vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Modbus TCP Station sells 2 one-off in-app purchases. air@home asks for nothing beyond the download.

air@home ships an update every 2 months, Modbus TCP Station every 10 days. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | air@home | Modbus TCP Station |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Free | — |
| Size | 89 MB | 31 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Maico Elektroapparate-Fabrik GmbH](https://appshunter.io/developer/1005637983) | [DONGSOO LEE](https://appshunter.io/developer/1868670088) |

## 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


### Modbus TCP Station

[App page](https://appshunter.io/ios/app/modbus-tcp-station/id6757790321)

**Features:** macOS Compatibility, iPhone Duo support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1-Month Premium Pass | $0.99 | one-time |
| Premium Upgrade | $9.99 | one-time |


## Frequently asked questions

### Is air@home free?

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

### Is Modbus TCP Station free?

Modbus TCP Station is free to download, with in-app purchases available.

### Do air@home or Modbus TCP Station have ads?

Modbus TCP Station shows ads; air@home does not.

### Which is updated more often, air@home or Modbus TCP Station?

air@home ships an update every 2 months, and Modbus TCP Station every 10 days. Most recently, air@home was updated on November 1, 2026 and Modbus TCP Station on November 2, 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.*