# 에코캐스트 vs 미세먼지

The clearest difference is ads: 에코캐스트 at none against 미세먼지's shown. 에코캐스트 also leads on iOS requirement (11.0 vs 18.0). On price, update cadence, 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.

에코캐스트 ships an update every 3 days, 미세먼지 every 4 days. The most recent releases landed on September 21, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | 에코캐스트 | 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 3 days** | Every 4 days |
| Monetization | — | Free |
| Size | 66 MB | 17 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Ecoplay Co., Ltd.](https://appshunter.io/developer/1497635995) | [Seungtae Jang](https://appshunter.io/developer/1664620859) |

## What reviewers say

### 에코캐스트

[App page](https://appshunter.io/ios/app/id1497635996)

**Features:** macOS Compatibility, 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 에코캐스트 free?

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

### Is 미세먼지 free?

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

### Do 에코캐스트 or 미세먼지 have ads?

미세먼지 shows ads; 에코캐스트 does not.

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

에코캐스트 ships an update every 3 days, and 미세먼지 every 4 days. Most recently, 에코캐스트 was updated on September 21, 2026 and 미세먼지 on September 14, 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.*