# 波紋 vs かうもの&在庫

The clearest difference is in-app purchases: 波紋 at none against かうもの&在庫's 2. 波紋 also leads on device support (3 vs 1) and iOS requirement (12.1 vs 17.6). かうもの&在庫's advantage is ads (none vs shown). On price and update cadence there is nothing between them.

Both are free to download. かうもの&在庫 sells 2 in-app purchases, starting at $3.99 per month. 波紋 asks for nothing beyond the download.

波紋 ships an update every 2 weeks, かうもの&在庫 every 9 days. The most recent releases landed on September 25, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | 波紋 | かうもの&在庫 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Size | 23 MB | 55 MB |
| Requires iOS | **12.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [takayuki atsumi](https://appshunter.io/developer/1495474977) | [Ikumi NAKAMURA](https://appshunter.io/developer/1632866319) |

## What reviewers say

### 波紋

[App page](https://appshunter.io/ios/app/hamon-1f/id1554798260)

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

**In-app purchases:** none


### かうもの&在庫

[App page](https://appshunter.io/ios/app/and/id6754641038)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1ヶ月プラン | $3.99 | per month |
| 年間プラン | $34.99 | per year |


## Frequently asked questions

### Is 波紋 free?

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

### Is かうもの&在庫 free?

かうもの&在庫 is free to download, with in-app purchases available.

### Do 波紋 or かうもの&在庫 have ads?

波紋 shows ads; かうもの&在庫 does not.

### Which is updated more often, 波紋 or かうもの&在庫?

波紋 ships an update every 2 weeks, and かうもの&在庫 every 9 days. Most recently, 波紋 was updated on September 25, 2026 and かうもの&在庫 on September 22, 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.*