# お天気ずん子 vs Cool Forecast Clock

The clearest difference is ads: お天気ずん子 at none against Cool Forecast Clock's shown. お天気ずん子 also leads on update cadence (every 6 months vs every 113 months) and iOS requirement (9.0 vs 14.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

お天気ずん子 ships an update every 6 months, Cool Forecast Clock every 113 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | お天気ずん子 | Cool Forecast Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 6 months** | Every 113 months |
| Size | 20 MB | 6 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Keietsu Yasuhara](https://appshunter.io/developer/378538320) | [Ramalingam Sivaramakrishnan](https://appshunter.io/developer/892706271) |

## What reviewers say

### お天気ずん子

[App page](https://appshunter.io/ios/app/id982199360)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cool Forecast Clock

[App page](https://appshunter.io/ios/app/cool-forecast-clock-desk/id1126238365)

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

**In-app purchases:** none


## Frequently asked questions

### Is お天気ずん子 free?

お天気ずん子 is free to download, with no in-app purchases.

### Is Cool Forecast Clock free?

Cool Forecast Clock is free to download, with no in-app purchases.

### Do お天気ずん子 or Cool Forecast Clock have ads?

Cool Forecast Clock shows ads; お天気ずん子 does not.

### Which is updated more often, お天気ずん子 or Cool Forecast Clock?

お天気ずん子 ships an update every 6 months, and Cool Forecast Clock every 113 months. Most recently, お天気ずん子 was updated on October 26, 2026 and Cool Forecast Clock on October 24, 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.*