# quantum hangul vs CoKu

The clearest difference is in-app purchases: quantum hangul at none against CoKu's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CoKu sells 3 one-off in-app purchases. quantum hangul asks for nothing beyond the download.

## The numbers

| Metric | quantum hangul | CoKu |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/coku/id6740406917/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 7 months |
| Monetization | — | Free with in-app purchases |
| Size | 0 MB | 15 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sungjun Kim](https://appshunter.io/developer/1602461985) | [Frank J Guzzone](https://appshunter.io/developer/1789786093) |

## What reviewers say

### quantum hangul

[App page](https://appshunter.io/ios/app/quantum-hangul/id6499096185)

**Features:** macOS Compatibility

**In-app purchases:** none


### CoKu

[App page](https://appshunter.io/ios/app/coku/id6740406917)

A modern take on Sudoku, this puzzle game replaces numbers with colors. Solve challenges by ensuring no repeated colors in rows, columns, or blocks. Unlock tools and progress through various difficulty levels.

**Highlights:** Color-based Sudoku gameplay, Daily Challenge mode, Mini Game modes, Draw Mode for custom boards, Multiple difficulty levels, Unlockable tools and bonuses, Dark mode optimization

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 500 Stars | $0.99 | one-time |
| 2,500 Stars | $2.99 | one-time |
| 5,000 Stars | $4.99 | one-time |


## Frequently asked questions

### Is quantum hangul free?

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

### Is CoKu free?

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

### Do quantum hangul or CoKu have ads?

Neither quantum hangul nor CoKu shows ads.

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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.*