# 防災リスマ vs 河川カメラ

The clearest difference is update cadence: 河川カメラ at every 2 weeks against 防災リスマ's every 2 months. On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. 防災リスマ sells 3 in-app purchases, starting at $0.29 per month and 河川カメラ sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

防災リスマ ships an update every 2 months, 河川カメラ every 2 weeks. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 防災リスマ | 河川カメラ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/river/id1566760183/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **27.8% of reviews** | 24.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 80 MB | 110 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Keishi Ishimura](https://appshunter.io/developer/934037134) | [hidehiko aihara](https://appshunter.io/developer/1178520609) |

## What reviewers say

### 防災リスマ

[App page](https://appshunter.io/ios/app/id1443885748)

Access detailed hazard maps for flood and landslide risks. Quickly find links to official maps from local governments across Japan, covering various disaster types and areas. Stay informed about potential dangers in your vicinity.

**Highlights:** Flood inundation hazard maps, Landslide and debris flow risk zones, Avalanche danger areas, Disaster archives with aerial imagery, Links to official municipal hazard maps, Comprehensive national coverage

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1か月/自動更新 | $0.29 | per month |
| 1年/自動更新 | $0.49 | per year |
| 買い切り | $1.99 | one-time |


### 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 |


## Frequently asked questions

### Is 防災リスマ free?

防災リスマ is free to download, with in-app purchases available.

### Is 河川カメラ free?

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

### Do 防災リスマ or 河川カメラ have ads?

Both 防災リスマ and 河川カメラ show ads.

### Which is updated more often, 防災リスマ or 河川カメラ?

防災リスマ ships an update every 2 months, and 河川カメラ every 2 weeks. Most recently, 防災リスマ was updated on October 26, 2026 and 河川カメラ on October 25, 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.*