# Wow Button! vs 発車メロディーコレクション

The clearest difference is device support: Wow Button! at 3 against 発車メロディーコレクション's 1. Wow Button! also leads on iOS requirement (14.0 vs 18.6). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Wow Button! sells 1 one-off in-app purchase and 発車メロディーコレクション sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Wow Button! ships an update every 2 weeks, 発車メロディーコレクション every 9 days. The most recent releases landed on September 8, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Wow Button! | 発車メロディーコレクション |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Size | 6 MB | 78 MB |
| Requires iOS | **14.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Goro Sato](https://appshunter.io/developer/412448991) | [Imaizumi Kei](https://appshunter.io/developer/1803264759) |

## What reviewers say

### Wow Button!

[App page](https://appshunter.io/ios/app/wow-button/id6465692235)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### 発車メロディーコレクション

[App page](https://appshunter.io/ios/app/id6749940085)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Proプラン | $2.99 | per month |
| Proプラン 年額 | $29.99 | per year |


## Frequently asked questions

### Is Wow Button! free?

Wow Button! is free to download, with in-app purchases available.

### Is 発車メロディーコレクション free?

発車メロディーコレクション is free to download, with in-app purchases available.

### Do Wow Button! or 発車メロディーコレクション have ads?

Both Wow Button! and 発車メロディーコレクション show ads.

### Which is updated more often, Wow Button! or 発車メロディーコレクション?

Wow Button! ships an update every 2 weeks, and 発車メロディーコレクション every 9 days. Most recently, Wow Button! was updated on September 8, 2026 and 発車メロディーコレクション on September 17, 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.*