# 熱中症アラート vs 雨雲レーダー+ 天気予報・防災

The clearest difference is in-app purchases: 熱中症アラート at none against 雨雲レーダー+ 天気予報・防災's 4. 熱中症アラート also leads on ads (none vs shown) and iOS requirement (7.0 vs 15.6). 雨雲レーダー+ 天気予報・防災's advantage is update cadence (every 3 weeks vs every 12 months) and review sentiment (77% vs 57%). On price and device support there is nothing between them.

Both are free to download. 雨雲レーダー+ 天気予報・防災 sells 4 one-off in-app purchases. 熱中症アラート asks for nothing beyond the download.

熱中症アラート ships an update every 12 months, 雨雲レーダー+ 天気予報・防災 every 3 weeks. The most recent releases landed on October 13, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 熱中症アラート | 雨雲レーダー+ 天気予報・防災 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/plus/id1582126216/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 57.1% of reviews | **76.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 2 MB | 85 MB |
| Requires iOS | **7.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [日本気象株式会社](https://appshunter.io/developer/517668176) | [hidehiko aihara](https://appshunter.io/developer/1178520609) |

## What reviewers say

### 熱中症アラート

[App page](https://appshunter.io/ios/app/id836424089)

This app provides real-time heatstroke risk levels based on the heatstroke index. It offers notifications and advice from a weather mascot, with customizable settings for regions and alert thresholds. Data is updated every 10 minutes.

**Highlights:** Real-time heatstroke risk levels, Customizable notifications, Heatstroke index graph, Weather mascot advice, Region-specific settings, 10-minute data updates

**Features:** Vision Pro support

**In-app purchases:** none


### 雨雲レーダー+ 天気予報・防災

[App page](https://appshunter.io/ios/app/plus/id1582126216)

Get real-time rain cloud information for the entire country, with forecasts up to 13 hours ahead. Easily check daily weather, precipitation intensity, and severe weather alerts. Access detailed meteorological data and radar imagery for informed planning.

**Highlights:** Real-time rain cloud information, 13-hour rain cloud forecast, Daily weather for central location, River information, Weather alerts (heavy rain, flood, etc.), Lightning and typhoon information, Precipitation intensity visualization

**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 |


## Frequently asked questions

### Is 熱中症アラート free?

熱中症アラート is free to download, with no in-app purchases.

### Is 雨雲レーダー+ 天気予報・防災 free?

雨雲レーダー+ 天気予報・防災 is free to download, with in-app purchases available.

### Do 熱中症アラート or 雨雲レーダー+ 天気予報・防災 have ads?

雨雲レーダー+ 天気予報・防災 shows ads; 熱中症アラート does not.

### Which is updated more often, 熱中症アラート or 雨雲レーダー+ 天気予報・防災?

熱中症アラート ships an update every 12 months, and 雨雲レーダー+ 天気予報・防災 every 3 weeks. Most recently, 熱中症アラート was updated on October 13, 2026 and 雨雲レーダー+ 天気予報・防災 on October 9, 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.*