# 에어코리아 vs Dusts

The clearest difference is rating: Dusts at 4.6 against 에어코리아's 1.0. Dusts also leads on ratings volume (31 vs 1) and update cadence (every 6 weeks vs every 4 months). On price, review sentiment, 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.

Dusts holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: Dusts has 31 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 91% of 에어코리아's written reviews are positive against 92% of Dusts's.

에어코리아 ships an update every 4 months, Dusts every 6 weeks. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | 에어코리아 | Dusts |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/id873915685/reviews) | **[4.6 (31 ratings)](https://appshunter.io/ios/app/dusts/id1231747836/reviews)** |
| Number of ratings | 1 | **31** |
| Positive reviews | 91.3% of reviews | **92.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 25 MB | 31 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [한국환경공단](https://appshunter.io/developer/873915688) | [Yeram Jueng](https://appshunter.io/developer/1510266351) |

## What reviewers say

### 에어코리아

[App page](https://appshunter.io/ios/app/id873915685)

This app provides real-time air quality information, including PM2.5, PM10, and ozone levels. It also offers air quality forecasts for today, tomorrow, and the day after. Users can even check air quality directly from their Apple Watch face.

**Highlights:** Real-time air quality monitoring, PM2.5, PM10, and O3 levels, Air quality forecasts (today/tomorrow/day after), Apple Watch complication support, Official data from government sources

**Features:** macOS Compatibility

**In-app purchases:** none


### Dusts

[App page](https://appshunter.io/ios/app/dusts/id1231747836)

This app provides real-time air quality information, including fine dust, ultrafine dust, and integrated air quality index. It locates the nearest measurement station and displays data with intuitive graphs and color-coded backgrounds. Widgets and Apple Watch support offer convenient access to air quality updates.

**Highlights:** Real-time fine dust concentration, Real-time ultrafine dust concentration, Integrated air quality index, Nearest measurement station locator, Widgets for home/lock screen, Apple Watch app and complications, Dark mode support

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 에어코리아 free?

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

### Is Dusts free?

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

### Which has better reviews, 에어코리아 or Dusts?

Dusts is rated higher. 에어코리아 averages 1.0 out of 5 from 1 ratings, while Dusts averages 4.6 from 31 ratings.

### Do 에어코리아 or Dusts have ads?

Neither 에어코리아 nor Dusts shows ads.

### Which is updated more often, 에어코리아 or Dusts?

에어코리아 ships an update every 4 months, and Dusts every 6 weeks. Most recently, 에어코리아 was updated on November 6, 2026 and Dusts 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.*