# PM10 Tracker (미세먼지알림이) vs Dusts

The clearest difference is in-app purchases: Dusts at none against PM10 Tracker (미세먼지알림이)'s 2. PM10 Tracker (미세먼지알림이)'s advantage is update cadence (every 9 days vs every 6 weeks). On price, rating, review sentiment and ratings volume 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. Dusts asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for PM10 Tracker (미세먼지알림이) against 4.6 for Dusts. Both are backed by a comparable volume of ratings — 15 and 31 respectively. Written reviews are what separate them: 88% of PM10 Tracker (미세먼지알림이)'s written reviews are positive against 92% of Dusts's.

PM10 Tracker (미세먼지알림이) ships an update every 9 days, Dusts every 6 weeks. Both last shipped on September 27, 2026.

## The numbers

| Metric | PM10 Tracker (미세먼지알림이) | Dusts |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (15 ratings)](https://appshunter.io/ios/app/pm10-tracker/id991670217/reviews)** | [4.6 (31 ratings)](https://appshunter.io/ios/app/dusts/id1231747836/reviews) |
| Number of ratings | 15 | **31** |
| Positive reviews | 88.2% of reviews | **92.4% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 6 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 44 MB | 31 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Won Cheul Seok](https://appshunter.io/developer/917577689) | [Yeram Jueng](https://appshunter.io/developer/1510266351) |

## What reviewers say

### 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 |


### 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 PM10 Tracker (미세먼지알림이) free?

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

### Is Dusts free?

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

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

PM10 Tracker (미세먼지알림이) is rated higher. PM10 Tracker (미세먼지알림이) averages 4.7 out of 5 from 15 ratings, while Dusts averages 4.6 from 31 ratings.

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

Neither PM10 Tracker (미세먼지알림이) nor Dusts shows ads.

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

PM10 Tracker (미세먼지알림이) ships an update every 9 days, and Dusts every 6 weeks. Most recently, PM10 Tracker (미세먼지알림이) was updated on September 27, 2026 and Dusts 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.*