# NinjaSudoku vs Shadow Ninja Sudoku

The clearest difference is in-app purchases: NinjaSudoku at none against Shadow Ninja Sudoku's 1. Shadow Ninja Sudoku's advantage is update cadence (every 10 months vs every 52 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Shadow Ninja Sudoku sells 1 one-off in-app purchase. NinjaSudoku asks for nothing beyond the download.

NinjaSudoku ships an update every 52 months, Shadow Ninja Sudoku every 10 months. The most recent releases landed on September 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | NinjaSudoku | Shadow Ninja Sudoku |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 52 months | **Every 10 months** |
| Size | 1 MB | 27 MB |
| Requires iOS | 15.6 | **15.3** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Compiled](https://appshunter.io/developer/520829733) | [Hesam Darvishiyan Haghighi](https://appshunter.io/developer/1784022594) |

## What reviewers say

### NinjaSudoku

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Shadow Ninja Sudoku

[App page](https://appshunter.io/ios/app/shadow-ninja-sudoku/id6739170128)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $4.99 | one-time |


## Frequently asked questions

### Is NinjaSudoku free?

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

### Is Shadow Ninja Sudoku free?

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

### Do NinjaSudoku or Shadow Ninja Sudoku have ads?

Neither NinjaSudoku nor Shadow Ninja Sudoku shows ads.

### Which is updated more often, NinjaSudoku or Shadow Ninja Sudoku?

NinjaSudoku ships an update every 52 months, and Shadow Ninja Sudoku every 10 months. Most recently, NinjaSudoku was updated on September 30, 2026 and Shadow Ninja Sudoku 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.*