# PM10º vs Just Dust

The clearest difference is device support: PM10º at 3 against Just Dust's —. PM10º also leads on iOS requirement (7.0 vs 15.0). On price 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.

## The numbers

| Metric | PM10º | Just Dust |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (104 ratings)](https://appshunter.io/ios/app/pm10/id791977420/reviews)** | — |
| Number of ratings | **104** | — |
| Positive reviews | 93.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 10 days | — |
| Monetization | Free | — |
| Size | 55 MB | 27 MB |
| Requires iOS | **7.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Apption](https://appshunter.io/developer/485729500) | [Young Soo Park](https://appshunter.io/developer/1677257637) |

## 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


### Just Dust

[App page](https://appshunter.io/ios/app/just-dust/id6447232002)

**In-app purchases:** none


## Frequently asked questions

### Is PM10º free?

PM10º is free to download, with no in-app purchases.

### Is Just Dust free?

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

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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.*