# Unit Gacha ! vs KORAKU

The clearest difference is in-app purchases: KORAKU at none against Unit Gacha !'s 2. KORAKU 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. KORAKU asks for nothing beyond the download.

Unit Gacha ! ships an update every 3 weeks, KORAKU every 10 days. Both last shipped on October 28, 2026.

## The numbers

| Metric | Unit Gacha ! | KORAKU |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Size | 47 MB | 27 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 |


### KORAKU

[App page](https://appshunter.io/ios/app/koraku/id6760215571)

**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 KORAKU free?

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

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

KORAKU shows ads; Unit Gacha ! does not.

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

Unit Gacha ! ships an update every 3 weeks, and KORAKU every 10 days. Most recently, Unit Gacha ! was updated on October 28, 2026 and KORAKU on October 28, 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.*