# CleanAirOptima vs Sanering Witte Dame

The clearest difference is iOS requirement: CleanAirOptima at 12.0 against Sanering Witte Dame's 15.0. On price, update cadence, 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.

CleanAirOptima ships an update every 17 months, Sanering Witte Dame every 10 months. The most recent releases landed on October 27, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | CleanAirOptima | Sanering Witte Dame |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/cleanairoptima/id1597731227/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 10 months** |
| Monetization | Free | — |
| Size | 194 MB | 47 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Clean Air Optima International B.V.](https://appshunter.io/developer/1597731229) | [NTP B.V.](https://appshunter.io/developer/1478864712) |

## What reviewers say

### CleanAirOptima

[App page](https://appshunter.io/ios/app/cleanairoptima/id1597731227)

Control and monitor your smart air quality devices remotely from anywhere in the world. Set desired temperature and humidity levels, and track air quality across different rooms in your home.

**Highlights:** Remote device control, Real-time monitoring, Temperature and humidity tracking, Room management, Global access with internet

**Features:** macOS Compatibility

**In-app purchases:** none


### Sanering Witte Dame

[App page](https://appshunter.io/ios/app/sanering-witte-dame/id1609389270)

**In-app purchases:** none


## Frequently asked questions

### Is CleanAirOptima free?

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

### Is Sanering Witte Dame free?

Sanering Witte Dame is free to download, with no in-app purchases.

### Do CleanAirOptima or Sanering Witte Dame have ads?

Neither CleanAirOptima nor Sanering Witte Dame shows ads.

### Which is updated more often, CleanAirOptima or Sanering Witte Dame?

CleanAirOptima ships an update every 17 months, and Sanering Witte Dame every 10 months. Most recently, CleanAirOptima was updated on October 27, 2026 and Sanering Witte Dame on October 10, 2026.

---

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