# 気象天気図 vs 雷雲

The clearest difference is in-app purchases: 気象天気図 at none against 雷雲's 4. 気象天気図 also leads on review sentiment (81% vs 67%) and update cadence (every 3 weeks vs every 2 months). 雷雲's advantage is iOS requirement (15.6 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. 雷雲 sells 4 one-off in-app purchases. 気象天気図 asks for nothing beyond the download.

気象天気図 ships an update every 3 weeks, 雷雲 every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 気象天気図 | 雷雲 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/id393725709/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | **81.0% of reviews** | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 14 MB | 63 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mets R&D Center](https://appshunter.io/developer/393725712) | [hidehiko aihara](https://appshunter.io/developer/1178520609) |

## What reviewers say

### 気象天気図

[App page](https://appshunter.io/ios/app/id393725709)

**Features:** Vision Pro support

**In-app purchases:** none


### 雷雲

[App page](https://appshunter.io/ios/app/id1577287549)

Get real-time lightning and cloud information for the next hour, with movement visualized on a map. Easily check weather forecasts, precipitation, temperature, and more for your current location and nationwide.

**Highlights:** Real-time lightning cloud information, 1-hour lightning forecast, Lightning cloud movement map, Nationwide weather alerts, Daily and weekly weather forecasts, Precipitation and temperature data

**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 気象天気図 free?

気象天気図 is free to download, with no in-app purchases.

### Is 雷雲 free?

雷雲 is free to download, with in-app purchases available.

### Do 気象天気図 or 雷雲 have ads?

Both 気象天気図 and 雷雲 show ads.

### Which is updated more often, 気象天気図 or 雷雲?

気象天気図 ships an update every 3 weeks, and 雷雲 every 2 months. Most recently, 気象天気図 was updated on November 1, 2026 and 雷雲 on November 3, 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.*