# 河川水位 vs 雨雲レーダーと天気予報

The clearest difference is review sentiment: 雨雲レーダーと天気予報 at 100% against 河川水位's 14%. 雨雲レーダーと天気予報 also leads on in-app purchases (none vs 4) and iOS requirement (11.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 河川水位 sells 4 one-off in-app purchases. 雨雲レーダーと天気予報 asks for nothing beyond the download.

河川水位 ships an update every 5 weeks, 雨雲レーダーと天気予報 every 3 weeks. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 河川水位 | 雨雲レーダーと天気予報 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 14.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Size | 73 MB | 15 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | +4 |
| Developer | [hidehiko aihara](https://appshunter.io/developer/1178520609) | [susumu hirao](https://appshunter.io/developer/1068961811) |

## What reviewers say

### 河川水位

[App page](https://appshunter.io/ios/app/id1595112434)

**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 |


### 雨雲レーダーと天気予報

[App page](https://appshunter.io/ios/app/id6444322928)

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

**In-app purchases:** none


## Frequently asked questions

### Is 河川水位 free?

河川水位 is free to download, with in-app purchases available.

### Is 雨雲レーダーと天気予報 free?

雨雲レーダーと天気予報 is free to download, with no in-app purchases.

### Do 河川水位 or 雨雲レーダーと天気予報 have ads?

Both 河川水位 and 雨雲レーダーと天気予報 show ads.

### Which is updated more often, 河川水位 or 雨雲レーダーと天気予報?

河川水位 ships an update every 5 weeks, and 雨雲レーダーと天気予報 every 3 weeks. Most recently, 河川水位 was updated on October 25, 2026 and 雨雲レーダーと天気予報 on October 30, 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.*