# Sudoku World vs MathArena

The clearest difference is in-app purchases: MathArena at none against Sudoku World's 1. MathArena also leads on ads (none vs shown) and update cadence (every 6 weeks vs every 4 months). On price and device support there is nothing between them.

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

Sudoku World ships an update every 4 months, MathArena every 6 weeks. The most recent releases landed on October 26, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Sudoku World | MathArena |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.5K ratings)](https://appshunter.io/ios/app/sudoku-world-brainstorming/id463419280/reviews)** | — |
| Number of ratings | **1.5K** | — |
| Positive reviews | 84.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 81 MB | 31 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chaohsien Lee](https://appshunter.io/developer/438073768) | [Daniel Castro](https://appshunter.io/developer/1888870928) |

## What reviewers say

### Sudoku World

[App page](https://appshunter.io/ios/app/sudoku-world-brainstorming/id463419280)

Play an unlimited number of randomly generated Sudoku puzzles with various new puzzle types and difficulty levels. Enjoy multiplayer challenges, track your progress, and utilize smart tools for an enhanced experience.

**Highlights:** Unlimited randomly generated puzzles, Multiple Sudoku variants (X, Super, Jigsaw, 16x16, Samurai), Multiplayer mode, Five difficulty levels, Save/Load puzzles, Smart note-taking and eraser, Customizable backgrounds

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Disable Ads | $1.99 | one-time |

**What reviewers like**

- 👍 Great game
- 🚀 Challenging levels
- 💡 Variety of Sudoku types
- 👍 Helpful features (pencil marks, auto-fill)
- 👍 Good for brain exercise

**What reviewers complain about**

- 🐛 Freezes/crashes
- 🐛 Unreliable saving/progress tracking
- 🔍 Cluttered/confusing UI
- 🔍 Ads can be intrusive

**Reported bugs**

- Game freezes or crashes frequently
- Progress/scores not saving properly
- UI elements overlapping or hard to use

**Requested features**

- Add ability to turn off/customize certain features
- Improve save/resume functionality
- Optimize performance on older devices
- Add more customization options (themes, layouts, etc.)


### MathArena

[App page](https://appshunter.io/ios/app/matharena-math-challenge/id6761319928)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sudoku World free?

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

### Is MathArena free?

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

### Do Sudoku World or MathArena have ads?

Sudoku World shows ads; MathArena does not.

### Which is updated more often, Sudoku World or MathArena?

Sudoku World ships an update every 4 months, and MathArena every 6 weeks. Most recently, Sudoku World was updated on October 26, 2026 and MathArena on October 16, 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.*