# Crassus vs whiteAIR

Crassus and whiteAIR are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases 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.

Crassus ships an update every 15 months, whiteAIR every 8 months. The most recent releases landed on September 17, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Crassus | whiteAIR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/whiteair/id1523046995/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 8 months** |
| Monetization | — | Free |
| Size | 76 MB | 23 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Crassus GmbH & Co. KG](https://appshunter.io/developer/1475104093) | [Klimatechnik Weiss GmbH](https://appshunter.io/developer/1523047447) |

## What reviewers say

### Crassus

[App page](https://appshunter.io/ios/app/crassus/id538410244)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Crassus free?

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

### Is whiteAIR free?

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

### Do Crassus or whiteAIR have ads?

Neither Crassus nor whiteAIR shows ads.

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

Crassus ships an update every 15 months, and whiteAIR every 8 months. Most recently, Crassus was updated on September 17, 2026 and whiteAIR on October 8, 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.*