# 河川カメラ vs SolarDays

The clearest difference is in-app purchases: SolarDays at none against 河川カメラ's 4. SolarDays also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 河川カメラ sells 4 one-off in-app purchases. SolarDays asks for nothing beyond the download.

## The numbers

| Metric | 河川カメラ | SolarDays |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/river/id1566760183/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 24.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 110 MB | 25 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [hidehiko aihara](https://appshunter.io/developer/1178520609) | [kotobaz](https://appshunter.io/developer/1634727152) |

## 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 |


### SolarDays

[App page](https://appshunter.io/ios/app/solardays/id6811397065)

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

**In-app purchases:** none


## 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 SolarDays free?

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

### Do 河川カメラ or SolarDays have ads?

河川カメラ shows ads; SolarDays does not.

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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.*