# 熱中症警戒計 vs 雨雲レーダー+

The clearest difference is in-app purchases: 熱中症警戒計 at none against 雨雲レーダー+'s 4. 雨雲レーダー+'s advantage is update cadence (every 3 weeks vs every 5 months) and review sentiment (77% vs 55%). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 雨雲レーダー+ sells 4 one-off in-app purchases. 熱中症警戒計 asks for nothing beyond the download.

熱中症警戒計 ships an update every 5 months, 雨雲レーダー+ every 3 weeks. The most recent releases landed on September 21, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | 熱中症警戒計 | 雨雲レーダー+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/plus/id1582126216/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 55.0% of reviews | **76.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 7 MB | 85 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Takahiro Izaki](https://appshunter.io/developer/511591595) | [hidehiko aihara](https://appshunter.io/developer/1178520609) |

## What reviewers say

### 熱中症警戒計

[App page](https://appshunter.io/ios/app/id537953117)

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

**In-app purchases:** none


### 雨雲レーダー+

[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 熱中症警戒計 free?

熱中症警戒計 is free to download, with no in-app purchases.

### Is 雨雲レーダー+ free?

雨雲レーダー+ is free to download, with in-app purchases available.

### Do 熱中症警戒計 or 雨雲レーダー+ have ads?

Both 熱中症警戒計 and 雨雲レーダー+ show ads.

### Which is updated more often, 熱中症警戒計 or 雨雲レーダー+?

熱中症警戒計 ships an update every 5 months, and 雨雲レーダー+ every 3 weeks. Most recently, 熱中症警戒計 was updated on September 21, 2026 and 雨雲レーダー+ on September 23, 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.*