# Sudoku vs DD

The clearest difference is device support: Sudoku at 3 against DD's —. On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Sudoku sells 1 one-off in-app purchase and DD sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Sudoku | DD |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | — |
| Update frequency | Weekly | — |
| Size | 46 MB | 278 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 17+ |
| Developer | [杰超 杨](https://appshunter.io/developer/1364053114) | [Beijing Jiayi Technology Co., Ltd](https://appshunter.io/developer/1817093309) |

## What reviewers say

### Sudoku

[App page](https://appshunter.io/ios/app/sudoku-training-your-brain/id1564969713)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove advertising | $0.99 | one-time |


### DD

[App page](https://appshunter.io/ios/app/dd/id1644879422)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 42钻石 | $0.99 | one-time |
| 84钻石 | $1.99 | one-time |
| 476钻石 | $9.99 | one-time |


## Frequently asked questions

### Is Sudoku free?

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

### Is DD free?

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

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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.*