# Dusts vs Han River

The clearest difference is update cadence: Dusts at every 6 weeks against Han River's every 16 months. Dusts also leads on ratings volume (31 vs 2) and device support (3 vs 1). Han River's advantage is rating (5.0 vs 4.6). 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.

Han River holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Dusts has 31 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 92% of Dusts's written reviews are positive against 100% of Han River's.

Dusts ships an update every 6 weeks, Han River every 16 months. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Dusts | Han River |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (31 ratings)](https://appshunter.io/ios/app/dusts/id1231747836/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/han-river/id6478441625/reviews)** |
| Number of ratings | **31** | 2 |
| Positive reviews | 92.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 16 months |
| Monetization | Free | Free |
| Size | 31 MB | 38 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yeram Jueng](https://appshunter.io/developer/1510266351) | [Kilho Oh](https://appshunter.io/developer/1191040260) |

## What reviewers say

### 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


### Han River

[App page](https://appshunter.io/ios/app/han-river/id6478441625)

This app provides water temperature information based on your current location and nearby measurement stations. It offers real-time data to help you find the most relevant water temperature information.

**Highlights:** Location-based water temperature, Nearby measurement station data, Real-time information, User-friendly interface

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Dusts free?

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

### Is Han River free?

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

### Which has better reviews, Dusts or Han River?

Han River is rated higher. Dusts averages 4.6 out of 5 from 31 ratings, while Han River averages 5.0 from 2 ratings.

### Do Dusts or Han River have ads?

Neither Dusts nor Han River shows ads.

### Which is updated more often, Dusts or Han River?

Dusts ships an update every 6 weeks, and Han River every 16 months. Most recently, Dusts was updated on October 24, 2026 and Han River on October 21, 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.*