# Munzi vs 인에어(inair)

The clearest difference is update cadence: Munzi at every 11 days against 인에어(inair)'s every 9 months. 인에어(inair)'s advantage is iOS requirement (12.0 vs 17.0). 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.

Munzi ships an update every 11 days, 인에어(inair) every 9 months. The most recent releases landed on September 21, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Munzi | 인에어(inair) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/munzi/id1556784248/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 9 months |
| Monetization | Free | Free |
| Size | 5 MB | 14 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hohyeon Moon](https://appshunter.io/developer/1441066295) | [한국환경공단](https://appshunter.io/developer/873915688) |

## What reviewers say

### Munzi

[App page](https://appshunter.io/ios/app/munzi/id1556784248)

This app provides quick and easy air quality information, including fine dust and ultrafine dust levels. It offers current location-based data and allows searching for specific areas. Users can customize display settings and save favorite locations for convenient access.

**Highlights:** Real-time fine dust and ultrafine dust information, Location-based and searchable locations, Customizable air quality standards (Korea/WHO), Color-coded air quality indicators, Dark mode support, Save and sync favorite locations

**In-app purchases:** none


### 인에어(inair)

[App page](https://appshunter.io/ios/app/inair/id1560468948)

This app provides real-time fine dust (PM-2.5) measurements from subway stations across the country. It offers hourly and 24-hour moving average data, a collaboration between environmental agencies and railway operators.

**Highlights:** Real-time PM-2.5 measurements, Subway station data, Hourly average data, 24-hour moving average data, Nationwide coverage

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Munzi free?

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

### Is 인에어(inair) free?

인에어(inair) is free to download, with no in-app purchases.

### Do Munzi or 인에어(inair) have ads?

Neither Munzi nor 인에어(inair) shows ads.

### Which is updated more often, Munzi or 인에어(inair)?

Munzi ships an update every 11 days, and 인에어(inair) every 9 months. Most recently, Munzi was updated on September 21, 2026 and 인에어(inair) on September 12, 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.*