# Unit Gacha ! vs HARAKU

The clearest difference is in-app purchases: HARAKU at none against Unit Gacha !'s 2. HARAKU also leads on update cadence (every 10 days vs every 3 weeks). Unit Gacha !'s advantage is ads (none vs shown) and iOS requirement (13.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. Unit Gacha ! sells 2 one-off in-app purchases. HARAKU asks for nothing beyond the download.

Unit Gacha ! ships an update every 3 weeks, HARAKU every 10 days. The most recent releases landed on October 11, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Unit Gacha ! | HARAKU |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Size | 47 MB | 24 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shunsuke Nakamura](https://appshunter.io/developer/1828229182) | [Fuji Bit Inc.](https://appshunter.io/developer/1874205957) |

## What reviewers say

### Unit Gacha !

[App page](https://appshunter.io/ios/app/unit-gacha/id6756411322)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all mechanics problems | $5.99 | one-time |
| Unlock all electromagnetic problems | $5.99 | one-time |


### HARAKU

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Unit Gacha ! free?

Unit Gacha ! is free to download, with in-app purchases available.

### Is HARAKU free?

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

### Do Unit Gacha ! or HARAKU have ads?

HARAKU shows ads; Unit Gacha ! does not.

### Which is updated more often, Unit Gacha ! or HARAKU?

Unit Gacha ! ships an update every 3 weeks, and HARAKU every 10 days. Most recently, Unit Gacha ! was updated on October 11, 2026 and HARAKU on October 25, 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.*