# 우산챙겨요 vs 미세먼지

The clearest difference is ads: 우산챙겨요 at none against 미세먼지's shown. 우산챙겨요 also leads on iOS requirement (16.2 vs 18.0). 미세먼지's advantage is update cadence (every 4 days vs every 11 months). On price, in-app purchases and device support there is nothing between them.

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

우산챙겨요 ships an update every 11 months, 미세먼지 every 4 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | 우산챙겨요 | 미세먼지 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/id6447787559/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 83.3% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 11 months | **Every 4 days** |
| Monetization | — | Free |
| Size | 58 MB | 17 MB |
| Requires iOS | **16.2** | 18.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [JaeHyeon Lim](https://appshunter.io/developer/1680730749) | [Seungtae Jang](https://appshunter.io/developer/1664620859) |

## What reviewers say

### 우산챙겨요

[App page](https://appshunter.io/ios/app/id6447255393)

**Features:** Vision Pro support

**In-app purchases:** none


### 미세먼지

[App page](https://appshunter.io/ios/app/id6447787559)

This app provides real-time air quality forecasts based on previous measurements and a predictive model. It offers multiple widget options and an Apple Watch app for convenient access to air quality data.

**Highlights:** 8-step air quality standard, Multiple widget options, Apple Watch app and complications, Predictive air quality modeling, Real-time air quality data

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

**In-app purchases:** none


## Frequently asked questions

### Is 우산챙겨요 free?

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

### Is 미세먼지 free?

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

### Do 우산챙겨요 or 미세먼지 have ads?

미세먼지 shows ads; 우산챙겨요 does not.

### Which is updated more often, 우산챙겨요 or 미세먼지?

우산챙겨요 ships an update every 11 months, and 미세먼지 every 4 days. Most recently, 우산챙겨요 was updated on November 3, 2026 and 미세먼지 on November 3, 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.*