# 홍수알리미 vs 오늘의물때

The clearest difference is ads: 홍수알리미 at none against 오늘의물때's shown. 홍수알리미 also leads on review sentiment (94% vs 67%) and iOS requirement (9.0 vs 13.0). 오늘의물때's advantage is update cadence (every 2 months vs every 5 months). On price, 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.

홍수알리미 ships an update every 5 months, 오늘의물때 every 2 months. The most recent releases landed on September 24, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | 홍수알리미 | 오늘의물때 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/plus/id1568716124/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | **94.0% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | — | Ad-supported |
| Size | 3 MB | 47 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [한강홍수통제소](https://appshunter.io/developer/578871388) | [Yujin Lee](https://appshunter.io/developer/1565289702) |

## What reviewers say

### 홍수알리미

[App page](https://appshunter.io/ios/app/id946789489)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### 오늘의물때

[App page](https://appshunter.io/ios/app/plus/id1568716124)

This app provides comprehensive marine weather and tide information for sea fishing and leisure activities. It offers tide tables, sea weather forecasts, water temperatures, and fishing point details for over 1300 regions across the country.

**Highlights:** Tide tables and forecasts, Sea weather and water temperature, Fishing points and tackle information, Tidal flat experience information, Coastal CCTV live streams, Weather alerts

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 홍수알리미 free?

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

### Is 오늘의물때 free?

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

### Do 홍수알리미 or 오늘의물때 have ads?

오늘의물때 shows ads; 홍수알리미 does not.

### Which is updated more often, 홍수알리미 or 오늘의물때?

홍수알리미 ships an update every 5 months, and 오늘의물때 every 2 months. Most recently, 홍수알리미 was updated on September 24, 2026 and 오늘의물때 on September 9, 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.*