# 케이웨더 날씨 vs 인에어(inair)

The clearest difference is review sentiment: 인에어(inair) at 100% against 케이웨더 날씨's 36%. 인에어(inair) also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.1). 케이웨더 날씨's advantage is update cadence (every 3 weeks vs every 9 months). On price, in-app purchases, monetization model 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.

케이웨더 날씨 ships an update every 3 weeks, 인에어(inair) every 9 months. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | 케이웨더 날씨 | 인에어(inair) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (15 ratings)](https://appshunter.io/ios/app/id372326740/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 35.8% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 9 months |
| Monetization | Free | Free |
| Size | 184 MB | 14 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Kweather Co.,Ltd](https://appshunter.io/developer/372326743) | [한국환경공단](https://appshunter.io/developer/873915688) |

## What reviewers say

### 케이웨더 날씨

[App page](https://appshunter.io/ios/app/id372326740)

Get highly accurate weather and air quality forecasts, including fine dust information. Receive timely alerts and visualize data with an improved map service. Customize your weather information display for a personalized experience.

**Highlights:** Accurate weather forecasts, Fine dust and air quality information, Real-time weather alerts, Improved map visualization, Customizable weather card layout

**Features:** Vision Pro support

**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 케이웨더 날씨 free?

케이웨더 날씨 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 케이웨더 날씨 or 인에어(inair) have ads?

케이웨더 날씨 shows ads; 인에어(inair) does not.

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

케이웨더 날씨 ships an update every 3 weeks, and 인에어(inair) every 9 months. Most recently, 케이웨더 날씨 was updated on November 6, 2026 and 인에어(inair) on November 7, 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.*