홍수알리미 vs Han River
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
홍수알리미
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홍수알리미 앱은 기후에너지환경부 홍수통제소에서 실시간 제공하는 강수량, 하천수위, 댐·보·저수지 자료, 레이더 영상 등을 기반으로 전국의 홍수정보를 제공하며 사용자가 원하는 정보를 선택하여 손쉽게 수신함으로써 홍수로 인한 사고를 예방하기 위한 앱입니다. * 주요 기능 1. 실시간 수문자료 - 강수량, 하천수위, 댐, 보, 저수지, 강우레이더의 실시간 자료 제공 2. 홍수특보, 홍수정보 - 홍수특보 발령상황, 댐 방류승인 내역, 보 방류승인 내역, 홍수정보, 친수지구 홍수정보 3. 설정 - 관심지점·관심지역 설정, 알림 서비스 설정 등 《홍수알리미 앱의 자세한 이용 및 문의사항은 홍수알리미 앱의 설정 > 도움말에서 확인하실 수 있습니다》
Han River
This app provides water temperature information based on your current location and nearby measurement stations. It offers real-time data to help you find the most relevant water temperature information.
- Location-based water temperature
- Nearby measurement station data
- Real-time information
- User-friendly interface
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How warm is the Han River right now? Han River shows the current water temperature of Korea's four major rivers — the Han, Nakdong, Geum and Yeongsan — as one big number. Open the app and you see the station nearest to you first. ■ Four rivers · Water temperature from monitoring stations on the Han, Nakdong, Geum and Yeongsan rivers · The station nearest to you comes first · Tap the station name to switch to the next river ■ Real-time 3D underwater scene · Look up at the surface from under the water, rendered live · A rippling surface, sunbeams, drifting particles and rising air bubbles · The light follows the time of day — sunrise, midday, sunset and night · Drag the screen to look around ■ Settings · Ripple size and motion speed of the waves · Time of day: automatic (the real sun over Seoul) or a time you choose · Sparkle: how strongly sunlight glints on the surface · Turbidity: from clear to murky water · Language: 21 languages, or follow the device Location is used only to find the nearest station; the app works without it.
Screenshots
Verdict
The clearest difference is update cadence: 홍수알리미 at every 5 months against Han River's every 16 months. 홍수알리미 also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.4). On price, review sentiment, ads and in-app purchases 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.
홍수알리미 ships an update every 5 months, Han River every 16 months. Both last shipped on October 21, 2026.
| Parameter | 홍수알리미 | Han River |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | 94.0% of reviews | 100.0% of reviews — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 5 months — better | Every 16 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 3 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | 한강홍수통제소 | Kilho Oh |
Customer experience
홍수알리미
Han River
In-app purchases
홍수알리미
No in-app purchases
Han River
No in-app purchases
