# NinjaSudoku vs Dark Sudoku

The clearest difference is ads: NinjaSudoku at none against Dark Sudoku's shown. Dark Sudoku's advantage is update cadence (every 9 days vs every 52 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

NinjaSudoku ships an update every 52 months, Dark Sudoku every 9 days. The most recent releases landed on October 26, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | NinjaSudoku | Dark Sudoku |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 52 months | **Every 9 days** |
| Size | 1 MB | 69 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Compiled](https://appshunter.io/developer/520829733) | [Blue Valley Games UG (haftungsbeschränkt)](https://appshunter.io/developer/1761576581) |

## What reviewers say

### NinjaSudoku

[App page](https://appshunter.io/ios/app/ninjasudoku/id1236311684)

**Features:** macOS Compatibility

**In-app purchases:** none


### Dark Sudoku

[App page](https://appshunter.io/ios/app/dark-sudoku/id6615081842)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NinjaSudoku free?

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

### Is Dark Sudoku free?

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

### Do NinjaSudoku or Dark Sudoku have ads?

Dark Sudoku shows ads; NinjaSudoku does not.

### Which is updated more often, NinjaSudoku or Dark Sudoku?

NinjaSudoku ships an update every 52 months, and Dark Sudoku every 9 days. Most recently, NinjaSudoku was updated on October 26, 2026 and Dark Sudoku on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*