# 에어코리아 vs PM10 Tracker (미세먼지알림이)

The clearest difference is rating: PM10 Tracker (미세먼지알림이) at 4.7 against 에어코리아's 1.0. PM10 Tracker (미세먼지알림이) also leads on update cadence (every 9 days vs every 4 months) and ratings volume (15 vs 1). 에어코리아's advantage is in-app purchases (none vs 2). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. PM10 Tracker (미세먼지알림이) sells 2 in-app purchases, starting at $0.99 per 3 months. 에어코리아 asks for nothing beyond the download.

PM10 Tracker (미세먼지알림이) holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: PM10 Tracker (미세먼지알림이) has 15 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 91% of 에어코리아's written reviews are positive against 88% of PM10 Tracker (미세먼지알림이)'s, so the app with the better star average is not the one people write more warmly about.

에어코리아 ships an update every 4 months, PM10 Tracker (미세먼지알림이) every 9 days. The most recent releases landed on September 10, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | 에어코리아 | PM10 Tracker (미세먼지알림이) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/id873915685/reviews) | **[4.7 (15 ratings)](https://appshunter.io/ios/app/pm10-tracker/id991670217/reviews)** |
| Number of ratings | 1 | **15** |
| Positive reviews | **91.3% of reviews** | 88.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 9 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 25 MB | 44 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [한국환경공단](https://appshunter.io/developer/873915688) | [Won Cheul Seok](https://appshunter.io/developer/917577689) |

## 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


### PM10 Tracker (미세먼지알림이)

[App page](https://appshunter.io/ios/app/pm10-tracker/id991670217)

This app provides real-time air quality information for South Korea, including PM10, PM2.5, and O3 levels. It offers alerts for poor conditions and features optimized GPS battery usage and Apple Watch complications. Subscriptions remove ads and unlock unlimited tracking.

**Highlights:** Real-time PM10/PM2.5/O3 map for South Korea, Alerts for 'bad' air quality conditions, Minimized GPS battery usage, Apple Watch complications, Siri shortcuts for accessibility, Subscription for ad-free experience

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Convenience Kits | $0.99 | per 3 months |
| Convenience Kits | $2.49 | per year |


## Frequently asked questions

### Is 에어코리아 free?

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

### Is PM10 Tracker (미세먼지알림이) free?

PM10 Tracker (미세먼지알림이) is free to download, with in-app purchases available.

### Which has better reviews, 에어코리아 or PM10 Tracker (미세먼지알림이)?

PM10 Tracker (미세먼지알림이) is rated higher. 에어코리아 averages 1.0 out of 5 from 1 ratings, while PM10 Tracker (미세먼지알림이) averages 4.7 from 15 ratings.

### Do 에어코리아 or PM10 Tracker (미세먼지알림이) have ads?

Neither 에어코리아 nor PM10 Tracker (미세먼지알림이) shows ads.

### Which is updated more often, 에어코리아 or PM10 Tracker (미세먼지알림이)?

에어코리아 ships an update every 4 months, and PM10 Tracker (미세먼지알림이) every 9 days. Most recently, 에어코리아 was updated on September 10, 2026 and PM10 Tracker (미세먼지알림이) on September 27, 2026.

---

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