# airCoda vs CK Active

airCoda and CK Active are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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.

## The numbers

| Metric | airCoda | CK Active |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/aircoda/id6449149043/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 days | — |
| Monetization | Free | — |
| Size | 47 MB | 100 MB |
| Requires iOS | 13.4 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [AIRCODA LLC](https://appshunter.io/developer/1616692611) | [Allina Health System](https://appshunter.io/developer/498874912) |

## What reviewers say

### airCoda

[App page](https://appshunter.io/ios/app/aircoda/id6449149043)

Monitor your indoor air quality with a connected sensor. View real-time levels, track exposure hotspots throughout the day, and review your air quality history.

**Highlights:** Real-time air quality monitoring, Day map of exposure hotspots, Air quality history calendar, Connects to airCoda Pocket Sensor, Connects to Aranet4 CO2 sensor

**In-app purchases:** none


### CK Active

[App page](https://appshunter.io/ios/app/ck-active/id6451443886)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is airCoda free?

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

### Is CK Active free?

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

### Do airCoda or CK Active have ads?

Neither airCoda nor CK Active shows ads.

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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.*