# RainyWave vs Mimikopi(ミミコピ)

The clearest difference is in-app purchases: Mimikopi(ミミコピ) at none against RainyWave's 1. RainyWave's advantage is ads (none vs shown) and update cadence (every 4 days vs every 9 days). On price, device support and iOS requirement there is nothing between them.

Both are free to download. RainyWave sells 1 in-app purchase, starting at $2.99 per month. Mimikopi(ミミコピ) asks for nothing beyond the download.

RainyWave ships an update every 4 days, Mimikopi(ミミコピ) every 9 days. The most recent releases landed on October 25, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | RainyWave | Mimikopi(ミミコピ) |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Every 9 days |
| Monetization | Free | — |
| Size | 120 MB | 16 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Code and DESIGN inc.](https://appshunter.io/developer/1172903960) | [Kaito Miura](https://appshunter.io/developer/1801028623) |

## What reviewers say

### RainyWave

[App page](https://appshunter.io/ios/app/rainywave/id6499067148)

This music game lets you finger drum to LoFi, Chill Hop, and Chill Wave tracks. Enjoy automated drum sounds or real-time tapping, create your own music, and even import MIDI files. It's a relaxed way to experience music production and performance.

**Highlights:** Finger drumming to LoFi and Chill Hop tracks, Two game modes: automated drums or real-time tapping, MIDI Pad compatibility on iOS, Create original tracks with Charting Mode, Import custom MIDI files from DAWs

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RainyWave Supporters | $2.99 | per month |


### Mimikopi(ミミコピ)

[App page](https://appshunter.io/ios/app/mimikopi/id6754533851)

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

**In-app purchases:** none


## Frequently asked questions

### Is RainyWave free?

RainyWave is free to download, with in-app purchases available.

### Is Mimikopi(ミミコピ) free?

Mimikopi(ミミコピ) is free to download, with no in-app purchases.

### Do RainyWave or Mimikopi(ミミコピ) have ads?

Mimikopi(ミミコピ) shows ads; RainyWave does not.

### Which is updated more often, RainyWave or Mimikopi(ミミコピ)?

RainyWave ships an update every 4 days, and Mimikopi(ミミコピ) every 9 days. Most recently, RainyWave was updated on October 25, 2026 and Mimikopi(ミミコピ) on October 12, 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.*