# ことりにっき vs 波紋

The clearest difference is in-app purchases: 波紋 at none against ことりにっき's 1. 波紋 also leads on update cadence (every 2 weeks vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ことりにっき sells 1 one-off in-app purchase. 波紋 asks for nothing beyond the download.

ことりにっき ships an update every 6 weeks, 波紋 every 2 weeks. The most recent releases landed on October 26, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | ことりにっき | 波紋 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | — | Ad-supported |
| Size | 17 MB | 23 MB |
| Requires iOS | **12.0** | 12.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Akira Sakagami](https://appshunter.io/developer/1438357557) | [takayuki atsumi](https://appshunter.io/developer/1495474977) |

## What reviewers say

### ことりにっき

[App page](https://appshunter.io/ios/app/id1438357558)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 有料オプション | $2.99 | one-time |


### 波紋

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

This app generates visual ripples with each tap, creating a calming, rhythmic experience. Users can start, tap to create effects, and triple-tap to exit. It offers a simple, free-form interaction for relaxation.

**Highlights:** Tap to create ripples, Triple tap to end, Rhythmic visual effects, Simple interface, Relaxing experience

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

**In-app purchases:** none


## Frequently asked questions

### Is ことりにっき free?

ことりにっき is free to download, with in-app purchases available.

### Is 波紋 free?

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

### Do ことりにっき or 波紋 have ads?

Both ことりにっき and 波紋 show ads.

### Which is updated more often, ことりにっき or 波紋?

ことりにっき ships an update every 6 weeks, and 波紋 every 2 weeks. Most recently, ことりにっき was updated on October 26, 2026 and 波紋 on November 3, 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.*