# 河川カメラ vs EQMonitor 地震速報

河川カメラ and EQMonitor 地震速報 both sit at 5.0 stars, but that hides the real split: 87% of EQMonitor 地震速報's written reviews are positive against 24% of 河川カメラ's. EQMonitor 地震速報 also leads on ads (none vs shown) and ratings volume (6 vs 1). 河川カメラ's advantage is iOS requirement (15.6 vs 17.6). On price, rating, update cadence and in-app purchases there is nothing between them.

Both are free to download. 河川カメラ sells 4 one-off in-app purchases and EQMonitor 地震速報 sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for 河川カメラ against 5.0 for EQMonitor 地震速報. That said, the two scores are not equally well evidenced: EQMonitor 地震速報 has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 24% of 河川カメラ's written reviews are positive against 87% of EQMonitor 地震速報's.

河川カメラ ships an update every 2 weeks, EQMonitor 地震速報 fortnightly. The most recent releases landed on October 2, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | 河川カメラ | EQMonitor 地震速報 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/river/id1566760183/reviews) | [5.0 (6 ratings)](https://appshunter.io/ios/app/eqmonitor/id6447546703/reviews) |
| Number of ratings | 1 | **6** |
| Positive reviews | 24.0% of reviews | **86.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 110 MB | 176 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [hidehiko aihara](https://appshunter.io/developer/1178520609) | [Ryotaro Onoue](https://appshunter.io/developer/1681712231) |

## What reviewers say

### 河川カメラ

[App page](https://appshunter.io/ios/app/river/id1566760183)

Access real-time river conditions and weather forecasts across Japan. View over 10,000 river locations on a map and check detailed precipitation, temperature, and snow data. Stay informed about weather changes to prepare for heavy rain and other natural events.

**Highlights:** Real-time river information map, Over 10,000 river locations, Live camera stills of rivers, Automatic and manual data updates, Detailed weather forecasts, Rainfall intensity visualization, Favorite locations

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee (Regular) | $0.49 | one-time |
| 開発者応援 | $1.99 | one-time |
| Coffee (Large) | $1.99 | one-time |
| Cake Set | $5.99 | one-time |


### EQMonitor 地震速報

[App page](https://appshunter.io/ios/app/eqmonitor/id6447546703)

Receive timely earthquake and urgent earthquake early warning notifications for Japan. View past earthquake history with a detailed database and see real-time P-wave and S-wave predictions. Access the Strong Motion Monitor for visual earthquake data.

**Highlights:** Earthquake and early warning notifications, Customizable notification conditions by region, View past earthquake history (since 1919), Real-time display of urgent earthquake warnings, P-wave/S-wave arrival and epicenter display, Access to Strong Motion Monitor

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| コーヒー | $0.49 | one-time |
| エナジードリンクセット | $1.99 | one-time |
| 美味しい牛肉 | $5.99 | one-time |
| うな重 | $19.99 | one-time |


## Frequently asked questions

### Is 河川カメラ free?

河川カメラ is free to download, with in-app purchases available.

### Is EQMonitor 地震速報 free?

EQMonitor 地震速報 is free to download, with in-app purchases available.

### Which has better reviews, 河川カメラ or EQMonitor 地震速報?

河川カメラ and EQMonitor 地震速報 are both rated 5.0 out of 5 on the App Store, from 1 and 6 ratings respectively.

### Do 河川カメラ or EQMonitor 地震速報 have ads?

河川カメラ shows ads; EQMonitor 地震速報 does not.

### Which is updated more often, 河川カメラ or EQMonitor 地震速報?

河川カメラ ships an update every 2 weeks, and EQMonitor 地震速報 fortnightly. Most recently, 河川カメラ was updated on October 2, 2026 and EQMonitor 地震速報 on October 3, 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.*