# PlaySudoku.io vs Sudoku Mastermind

The clearest difference is in-app purchases: PlaySudoku.io at none against Sudoku Mastermind's 1. PlaySudoku.io also leads on ads (none vs shown) and update cadence (monthly vs every 4 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Sudoku Mastermind sells 1 one-off in-app purchase. PlaySudoku.io asks for nothing beyond the download.

PlaySudoku.io ships an update monthly, Sudoku Mastermind every 4 months. Both last shipped on October 30, 2026.

## The numbers

| Metric | PlaySudoku.io | Sudoku Mastermind |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/playsudokuio/id6738934774/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | Free | — |
| Size | 1 MB | 19 MB |
| Requires iOS | 17.6 | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Alfredo Perry](https://appshunter.io/developer/1782998664) | [Robin Dufour](https://appshunter.io/developer/1819249965) |

## What reviewers say

### PlaySudoku.io

[App page](https://appshunter.io/ios/app/playsudokuio/id6738934774)

Engage your mind with a classic Sudoku experience featuring customizable interfaces and multiple difficulty levels. This game offers auto-save and candidate number support for strategic play, perfect for daily mental exercise or quick gaming sessions.

**Highlights:** Three difficulty levels, Auto-save functionality, Candidate number support, Customizable interface, Intuitive controls, Built-in timer, Offline play

**Features:** macOS Compatibility

**In-app purchases:** none


### Sudoku Mastermind

[App page](https://appshunter.io/ios/app/sudoku-mastermind/id6754221226)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full access | $1.99 | one-time |


## Frequently asked questions

### Is PlaySudoku.io free?

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

### Is Sudoku Mastermind free?

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

### Do PlaySudoku.io or Sudoku Mastermind have ads?

Sudoku Mastermind shows ads; PlaySudoku.io does not.

### Which is updated more often, PlaySudoku.io or Sudoku Mastermind?

PlaySudoku.io ships an update monthly, and Sudoku Mastermind every 4 months. Most recently, PlaySudoku.io was updated on October 30, 2026 and Sudoku Mastermind on October 30, 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.*