SimpleWeather vs 인에어(inair)
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SimpleWeather
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SimpleWeather puts four weather forecasts side by side: the Korea Meteorological Administration (KMA), Apple Weather, OpenWeather and MET Norway. • Compare sources: current temperature, today's high/low and chance of rain from each source in one card • Who got it right: 30-, 15- and 7-day forecast accuracy records for places in Korea • Air quality at a glance: the background color follows the fine dust level, with animated rain and snow • Hourly and 10-day forecasts, feels like, humidity, wind, UV index, sunrise and sunset • Fine dust and ultrafine dust with forecasts (Korea) • Weather alarms with notifications and voice reading (double-tap the screen to hear the weather) • Home screen widgets in three sizes — switch places with ‹ › right on the widget • Places worldwide: KMA for Korea, Apple Weather, OpenWeather and MET Norway everywhere • Dark mode and large text support No sign-up needed. Your location is used to show the weather. Questions or ideas: leesungju.dev@gmail.com
인에어(inair)
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.
- Real-time PM-2.5 measurements
- Subway station data
- Hourly average data
- 24-hour moving average data
- Nationwide coverage
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연간 20억명 이상이 이용하는 대표적인 대중교통 수단, 지하철! 전국의 지하역사 승강장에 초미세먼지(PM-2.5) 측정기기가 설치되어 국민 여러분에게 실시간 제공됩니다. 환경부와 한국환경공단, 전국 철도운영기관이 협력하여 1시간 평균데이터와 24시간 이동평균 데이터를 제공합니다.
Screenshots
Verdict
The clearest difference is ads: 인에어(inair) at none against SimpleWeather's shown. 인에어(inair) also leads on iOS requirement (12.0 vs 18.0). SimpleWeather's advantage is update cadence (every 3 weeks vs every 9 months). On price, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
SimpleWeather ships an update every 3 weeks, 인에어(inair) every 9 months. The most recent releases landed on October 25, 2026 and October 20, 2026 respectively.
| Parameter | SimpleWeather | 인에어(inair) |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Every 3 weeks — better | Every 9 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 18.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 33 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | SungJu Lee | 한국환경공단 |
In-app purchases
SimpleWeather
No in-app purchases
인에어(inair)
No in-app purchases
