# PM10º vs Dusts

The clearest difference is update cadence: PM10º at every 10 days against Dusts's every 6 weeks. PM10º also leads on ratings volume (104 vs 31) and iOS requirement (7.0 vs 13.0). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.5 for PM10º against 4.6 for Dusts. Both are backed by a comparable volume of ratings — 104 and 31 respectively. Written reviews split almost evenly too, at 93% and 92% positive.

PM10º ships an update every 10 days, Dusts every 6 weeks. Both last shipped on October 19, 2026.

## The numbers

| Metric | PM10º | Dusts |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (104 ratings)](https://appshunter.io/ios/app/pm10/id791977420/reviews) | **[4.6 (31 ratings)](https://appshunter.io/ios/app/dusts/id1231747836/reviews)** |
| Number of ratings | **104** | 31 |
| Positive reviews | **93.3% of reviews** | 92.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 6 weeks |
| Monetization | Free | Free |
| Size | 55 MB | 31 MB |
| Requires iOS | **7.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Apption](https://appshunter.io/developer/485729500) | [Yeram Jueng](https://appshunter.io/developer/1510266351) |

## What reviewers say

### PM10º

[App page](https://appshunter.io/ios/app/pm10/id791977420)

This app provides real-time air quality information, including forecasts for fine dust (PM2.5, PM10), ozone, and yellow dust. It offers actionable advice to help users prevent respiratory illnesses and protect their health from air pollution. Users can easily check pollution levels by city and share data via social media.

**Highlights:** Real-time air quality data (CAI, PM2.5, PM10, Ozone, Yellow Dust), City-specific fine dust concentration checks, Real-time fine dust forecasts, Social media sharing of air quality data, Widget for quick access to air environment information, Fine dust glossary for detailed information, Background changes based on pollution levels

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and intuitive user interface
- 📊 Accurate air quality measurements
- ⚡ Quick and easy to check air conditions
- 🎨 Clean visual design with color coding
- 📍 Detailed regional/location information

**What reviewers complain about**

- 🐛 Frequent server errors and crashes
- ❌ Data loading failures and missing measurements
- 📍 Missing coverage for some regions (e.g., Sejong-si)
- ⚠️ Inaccurate readings compared to official sources
- 🔔 No notification system

**Reported bugs**

- Server errors occurring frequently
- App shows zero values for all locations
- Data not loading despite availability on official sources
- Current location selection not updating properly
- Inconsistent measurement readings

**Requested features**

- Multi-region comparison without re-input
- Temperature integration for weather needs
- PM2.5 detailed monitoring
- Expanded regional coverage (more districts/cities)
- Push notifications for air quality alerts


### 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 PM10º free?

PM10º 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, PM10º or Dusts?

Dusts is rated higher. PM10º averages 4.5 out of 5 from 104 ratings, while Dusts averages 4.6 from 31 ratings.

### Do PM10º or Dusts have ads?

Neither PM10º nor Dusts shows ads.

### Which is updated more often, PM10º or Dusts?

PM10º ships an update every 10 days, and Dusts every 6 weeks. Most recently, PM10º was updated on October 19, 2026 and Dusts on October 19, 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.*