# Rain Cast vs 雨雲くん

The clearest difference is rating: 雨雲くん at 5.0 against Rain Cast's 4.0. 雨雲くん also leads on review sentiment (57% vs 46%). Rain Cast's advantage is in-app purchases (none vs 4) and ratings volume (4 vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 雨雲くん sells 4 one-off in-app purchases. Rain Cast asks for nothing beyond the download.

雨雲くん holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews point the same way: 46% of Rain Cast's written reviews are positive against 57% of 雨雲くん's.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Rain Cast | 雨雲くん |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (4 ratings)](https://appshunter.io/ios/app/rain-cast/id912244365/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1417824183/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | 45.8% of reviews | **57.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 15 MB | 64 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shunsuke Sato](https://appshunter.io/developer/574231865) | [hidehiko aihara](https://appshunter.io/developer/1178520609) |

## What reviewers say

### Rain Cast

[App page](https://appshunter.io/ios/app/rain-cast/id912244365)

Visualize various weather phenomena overlaid on different map types. Adjust time, view historical data, and animate past events. Customize layer transparency and scale for detailed analysis.

**Highlights:** Map layer customization (13 types), Weather layer overlay (rainfall, landslide, flood, lightning), Time adjustment and historical data viewing, Animation of past weather events, Layer transparency and scale settings, Current location focus on startup

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

**In-app purchases:** none


### 雨雲くん

[App page](https://appshunter.io/ios/app/id1417824183)

**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 Rain Cast free?

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

### Is 雨雲くん free?

雨雲くん is free to download, with in-app purchases available.

### Which has better reviews, Rain Cast or 雨雲くん?

雨雲くん is rated higher. Rain Cast averages 4.0 out of 5 from 4 ratings, while 雨雲くん averages 5.0 from 1 ratings.

### Do Rain Cast or 雨雲くん have ads?

Both Rain Cast and 雨雲くん show ads.

### Which is updated more often, Rain Cast or 雨雲くん?

Rain Cast ships an update every 6 weeks, and 雨雲くん every 6 weeks. Most recently, Rain Cast was updated on October 24, 2026 and 雨雲くん on October 30, 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.*