# Train Clock vs 回転してるのな〜んだ？

The clearest difference is ads: Train Clock at none against 回転してるのな〜んだ？'s shown. Train Clock also leads on iOS requirement (13.0 vs 15.2). 回転してるのな〜んだ？'s advantage is update cadence (weekly vs every 23 months). 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.

Train Clock ships an update every 23 months, 回転してるのな〜んだ？ weekly. The most recent releases landed on September 30, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Train Clock | 回転してるのな〜んだ？ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 23 months | **Weekly** |
| Size | 143 MB | 39 MB |
| Requires iOS | **13.0** | 15.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [hiroyuki uchida](https://appshunter.io/developer/669938829) | [Toshiyuki Susa](https://appshunter.io/developer/1556426603) |

## What reviewers say

### Train Clock

[App page](https://appshunter.io/ios/app/train-clock/id1097870845)

**In-app purchases:** none


### 回転してるのな〜んだ？

[App page](https://appshunter.io/ios/app/id1611895973)

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

**In-app purchases:** none


## Frequently asked questions

### Is Train Clock free?

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

### Is 回転してるのな〜んだ？ free?

回転してるのな〜んだ？ is free to download, with no in-app purchases.

### Do Train Clock or 回転してるのな〜んだ？ have ads?

回転してるのな〜んだ？ shows ads; Train Clock does not.

### Which is updated more often, Train Clock or 回転してるのな〜んだ？?

Train Clock ships an update every 23 months, and 回転してるのな〜んだ？ weekly. Most recently, Train Clock was updated on September 30, 2026 and 回転してるのな〜んだ？ on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*