# Sudoku vs Solid Sudoku

The clearest difference is in-app purchases: Solid Sudoku at none against Sudoku's 3. Solid Sudoku also leads on update cadence (every 3 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Sudoku sells 3 one-off in-app purchases. Solid Sudoku asks for nothing beyond the download.

Sudoku ships an update every 2 weeks, Solid Sudoku every 3 days. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Sudoku | Solid Sudoku |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Size | 41 MB | 28 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OOPSKATE LTD](https://appshunter.io/developer/501897859) | [Sooyeol Jeong](https://appshunter.io/developer/1877260413) |

## What reviewers say

### Sudoku

[App page](https://appshunter.io/ios/app/sudoku-puzzle-challenge/id6758075653)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |
| Unlock Hard Level | $2.99 | one-time |
| Unlock Expert Level | $5.99 | one-time |


### Solid Sudoku

[App page](https://appshunter.io/ios/app/solid-sudoku/id6759184547)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Sudoku free?

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

### Is Solid Sudoku free?

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

### Do Sudoku or Solid Sudoku have ads?

Both Sudoku and Solid Sudoku show ads.

### Which is updated more often, Sudoku or Solid Sudoku?

Sudoku ships an update every 2 weeks, and Solid Sudoku every 3 days. Most recently, Sudoku was updated on October 7, 2026 and Solid Sudoku on October 24, 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.*