# MyPOTEKA vs 河川カメラ

The clearest difference is in-app purchases: MyPOTEKA at none against 河川カメラ's 4. MyPOTEKA also leads on ads (none vs shown). 河川カメラ's advantage is update cadence (every 2 weeks vs every 8 months) and review sentiment (24% vs 16%). On price 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. MyPOTEKA asks for nothing beyond the download.

MyPOTEKA ships an update every 8 months, 河川カメラ every 2 weeks. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | MyPOTEKA | 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 | 15.8% of reviews | **24.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 17 MB | 110 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [明星電気株式会社](https://appshunter.io/developer/1227993854) | [hidehiko aihara](https://appshunter.io/developer/1178520609) |

## What reviewers say

### MyPOTEKA

[App page](https://appshunter.io/ios/app/mypoteka/id1227993855)

This app provides quick access to local weather information to help you prepare for daily life. It supports disaster mitigation for heavy summer rains and heatstroke, and allows you to check the weather before going out.

**Highlights:** Local weather information, Disaster mitigation support, Heatstroke alerts, Pre-outing weather checks, Daily life support

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

**In-app purchases:** none


### 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 MyPOTEKA free?

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

### Is 河川カメラ free?

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

### Do MyPOTEKA or 河川カメラ have ads?

河川カメラ shows ads; MyPOTEKA does not.

### Which is updated more often, MyPOTEKA or 河川カメラ?

MyPOTEKA ships an update every 8 months, and 河川カメラ every 2 weeks. Most recently, MyPOTEKA was updated on October 7, 2026 and 河川カメラ on October 15, 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.*