# an s vs WAVE　公式アプリ

The clearest difference is iOS requirement: WAVE　公式アプリ at 12.0 against an s's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

an s ships an update every 38 months, WAVE　公式アプリ every 39 months. The most recent releases landed on October 8, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | an s | WAVE　公式アプリ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 38 months** | Every 39 months |
| Size | 6 MB | 15 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TOMOKO TORII](https://appshunter.io/developer/1522620502) | [WAVE K.K. (Kagawa)](https://appshunter.io/developer/1685594152) |

## What reviewers say

### an s

[App page](https://appshunter.io/ios/app/an-s/id1522620500)

**In-app purchases:** none


### WAVE　公式アプリ

[App page](https://appshunter.io/ios/app/wave/id6448688236)

**In-app purchases:** none


## Frequently asked questions

### Is an s free?

an s is free to download, with no in-app purchases.

### Is WAVE　公式アプリ free?

WAVE　公式アプリ is free to download, with no in-app purchases.

### Do an s or WAVE　公式アプリ have ads?

Neither an s nor WAVE　公式アプリ shows ads.

### Which is updated more often, an s or WAVE　公式アプリ?

an s ships an update every 38 months, and WAVE　公式アプリ every 39 months. Most recently, an s was updated on October 8, 2026 and WAVE　公式アプリ on October 2, 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.*