# Touch Waves vs HARAKU

The clearest difference is price: HARAKU at Free against Touch Waves's $3.99. HARAKU also leads on update cadence (weekly vs every 5 months) and iOS requirement (13.0 vs 26.0). Touch Waves's advantage is ads (none vs shown). On in-app purchases and device support there is nothing between them.

HARAKU is free to download; Touch Waves costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Touch Waves ships an update every 5 months, HARAKU weekly. The most recent releases landed on September 5, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Touch Waves | HARAKU |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/touch-waves/id347672384/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 63.2% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | Paid | — |
| Size | 49 MB | 24 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Xavier Daxhelet](https://appshunter.io/developer/339056993) | [Fuji Bit Inc.](https://appshunter.io/developer/1874205957) |

## What reviewers say

### Touch Waves

[App page](https://appshunter.io/ios/app/touch-waves/id347672384)

Explore wave physics with interactive animations and detailed explanations. This app covers vibrations, waves on strings, acoustics, and optics, making complex concepts visual and understandable for students and educators.

**Highlights:** Wave physics concepts, Interactive animations (2D & 3D), Basic equations, Classroom projection support, Covers vibration, acoustics, optics, Detailed subject list

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

**In-app purchases:** none


### HARAKU

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Touch Waves free?

Touch Waves costs $3.99, with no in-app purchases.

### Is HARAKU free?

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

### Do Touch Waves or HARAKU have ads?

HARAKU shows ads; Touch Waves does not.

### Which is updated more often, Touch Waves or HARAKU?

Touch Waves ships an update every 5 months, and HARAKU weekly. Most recently, Touch Waves was updated on September 5, 2026 and HARAKU on September 17, 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.*