# HARAKU vs Wave Interference Simulator

The clearest difference is update cadence: HARAKU at weekly against Wave Interference Simulator's every 2 months. HARAKU also leads on iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

HARAKU ships an update weekly, Wave Interference Simulator every 2 months. The most recent releases landed on September 17, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | HARAKU | Wave Interference Simulator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 2 months |
| Size | 24 MB | 18 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Fuji Bit Inc.](https://appshunter.io/developer/1874205957) | [Satoshi Yamakawa](https://appshunter.io/developer/1864114622) |

## What reviewers say

### HARAKU

[App page](https://appshunter.io/ios/app/haraku/id6759958253)

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

**In-app purchases:** none


### Wave Interference Simulator

[App page](https://appshunter.io/ios/app/wave-interference-simulator/id6761347861)

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

**In-app purchases:** none


## Frequently asked questions

### Is HARAKU free?

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

### Is Wave Interference Simulator free?

Wave Interference Simulator is free to download, with no in-app purchases.

### Do HARAKU or Wave Interference Simulator have ads?

Both HARAKU and Wave Interference Simulator show ads.

### Which is updated more often, HARAKU or Wave Interference Simulator?

HARAKU ships an update weekly, and Wave Interference Simulator every 2 months. Most recently, HARAKU was updated on September 17, 2026 and Wave Interference Simulator on September 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*