# 西日本特急効果音 vs Roulette（ルーレット）

The clearest difference is ads: 西日本特急効果音 at none against Roulette（ルーレット）'s shown. 西日本特急効果音 also leads on iOS requirement (13.0 vs 16.0). Roulette（ルーレット）'s advantage is update cadence (every 9 days vs every 6 weeks). 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.

西日本特急効果音 ships an update every 6 weeks, Roulette（ルーレット） every 9 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 西日本特急効果音 | Roulette（ルーレット） |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 9 days** |
| Size | 27 MB | 29 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yuta Wakamatsu](https://appshunter.io/developer/1482594118) | [Basement Apps, Inc.](https://appshunter.io/developer/1092009455) |

## What reviewers say

### 西日本特急効果音

[App page](https://appshunter.io/ios/app/id6747906864)

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

**In-app purchases:** none


### Roulette（ルーレット）

[App page](https://appshunter.io/ios/app/roulette/id6756475184)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 西日本特急効果音 free?

西日本特急効果音 is free to download, with no in-app purchases.

### Is Roulette（ルーレット） free?

Roulette（ルーレット） is free to download, with no in-app purchases.

### Do 西日本特急効果音 or Roulette（ルーレット） have ads?

Roulette（ルーレット） shows ads; 西日本特急効果音 does not.

### Which is updated more often, 西日本特急効果音 or Roulette（ルーレット）?

西日本特急効果音 ships an update every 6 weeks, and Roulette（ルーレット） every 9 days. Most recently, 西日本特急効果音 was updated on October 25, 2026 and Roulette（ルーレット） on October 28, 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.*