# 雷アラート vs 雨雲レーダー+

The clearest difference is in-app purchases: 雷アラート at none against 雨雲レーダー+'s 4. 雷アラート also leads on ads (none vs shown) and iOS requirement (8.0 vs 15.6). 雨雲レーダー+'s advantage is review sentiment (77% vs 47%) and update cadence (every 3 weeks vs every 2 months). On price and device support there is nothing between them.

Both are free to download. 雨雲レーダー+ sells 4 one-off in-app purchases. 雷アラート asks for nothing beyond the download.

雷アラート ships an update every 2 months, 雨雲レーダー+ every 3 weeks. The most recent releases landed on September 20, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | 雷アラート | 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 | 47.1% of reviews | **76.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 3 MB | 85 MB |
| Requires iOS | **8.0** | 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

### 雷アラート

[App page](https://appshunter.io/ios/app/id842276970)

Receive timely alerts for approaching thunderstorms based on your location. Customize notification settings and view detailed雷雲 (raikumo - thundercloud) levels and intensity. Access radar maps and pinpoint weather forecasts.

**Highlights:** Location-based thunderstorm alerts, Customizable notification times, 雷雲 (raikumo) proximity levels, Thunderstorm intensity indicators, Real-time雷 (rai - thunder) radar, Pinpoint weather forecasts

**Features:** 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 雷アラート free?

雷アラート 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 雷アラート or 雨雲レーダー+ have ads?

雨雲レーダー+ shows ads; 雷アラート does not.

### Which is updated more often, 雷アラート or 雨雲レーダー+?

雷アラート ships an update every 2 months, and 雨雲レーダー+ every 3 weeks. Most recently, 雷アラート was updated on September 20, 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.*