# whiteAIR vs x

The clearest difference is update cadence: x at every 6 weeks against whiteAIR's every 8 months. On price, ads, in-app purchases and monetization model there is nothing between them.

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

whiteAIR ships an update every 8 months, x every 6 weeks. The most recent releases landed on June 23, 2026 and September 2, 2026 respectively.

## The numbers

| Metric | whiteAIR | x |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/whiteair/id1523046995/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 56.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 23 MB | 282 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Klimatechnik Weiss GmbH](https://appshunter.io/developer/1523047447) | [Kermi GmbH](https://appshunter.io/developer/879996391) |

## What reviewers say

### whiteAIR

[App page](https://appshunter.io/ios/app/whiteair/id1523046995)

Control, automate, and monitor your decentralized ventilation system from your smartphone. Achieve healthy, energy-efficient home ventilation with ease.

**Highlights:** Remote system control, Automation capabilities, Real-time monitoring, Smartphone integration, Energy-efficient operation

**In-app purchases:** none


### x

[App page](https://appshunter.io/ios/app/x-center/id1531279688)

Control your heat pump system remotely with this app. Monitor performance, create custom scenes, and view statistics from anywhere. No extra hardware is needed to get started.

**Highlights:** Remote heat pump control, Comprehensive system monitoring, Customizable scenes, Statistics and overviews, Alarm and warning notifications, Dark and light mode

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is whiteAIR free?

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

### Is x free?

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

### Do whiteAIR or x have ads?

Neither whiteAIR nor x shows ads.

### Which is updated more often, whiteAIR or x?

whiteAIR ships an update every 8 months, and x every 6 weeks. Most recently, whiteAIR was updated on June 23, 2026 and x on September 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.*