# 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: 88% of EQMonitor 地震速報's written reviews are positive against 15% of 河川カメラ's. EQMonitor 地震速報 also leads on ads (none vs shown) and update cadence (every 11 days vs monthly). 河川カメラ's advantage is iOS requirement (15.6 vs 17.6). On price, rating, in-app purchases and device support 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 5 in-app purchases, starting at $1.99 per month. 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: 15% of 河川カメラ's written reviews are positive against 88% of EQMonitor 地震速報's.

河川カメラ ships an update monthly, EQMonitor 地震速報 every 11 days. The most recent releases landed on October 24, 2026 and October 27, 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/id1473895273/reviews) | [5.0 (6 ratings)](https://appshunter.io/ios/app/eqmonitor/id6447546703/reviews) |
| Number of ratings | 1 | **6** |
| Positive reviews | 15.0% of reviews | **87.5% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 11 days** |
| Monetization | — | Free with in-app purchases |
| Size | 73 MB | 171 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/id1473895273)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee (Regular) | $0.49 | one-time |
| 開発者応援募金 | $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 (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EQMonitor Pro | $1.99 | per month |
| 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 monthly, and EQMonitor 地震速報 every 11 days. Most recently, 河川カメラ was updated on October 24, 2026 and EQMonitor 地震速報 on October 27, 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.*