# Space42 vs Sudoku

The clearest difference is in-app purchases: Space42 at none against Sudoku's 7. Space42 also leads on ads (none vs shown) and update cadence (every 5 days vs every 3 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Sudoku sells 7 one-off in-app purchases. Space42 asks for nothing beyond the download.

Space42 ships an update every 5 days, Sudoku every 3 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Space42 | Sudoku |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Every 3 months |
| Monetization | — | Free with in-app purchases |
| Size | 182 MB | 68 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Artem Osipov](https://appshunter.io/developer/1722480830) | [Emdadul Haque](https://appshunter.io/developer/1784254253) |

## What reviewers say

### Space42

[App page](https://appshunter.io/ios/app/space42/id6738446341)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sudoku

[App page](https://appshunter.io/ios/app/sudoku-math-game/id6740572580)

Engage in a classic logic puzzle with multiple difficulty levels and daily challenges. This app offers a clean interface, hints, and a statistics tracker to help you improve. Play offline and customize themes for a personalized experience.

**Highlights:** Classic 9x9 Sudoku grid, Multiple difficulty levels, Daily challenges, Hints and tips, Offline play, Statistics tracker

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hints 100 | $0.99 | one-time |
| Hints 210 | $1.99 | one-time |
| Remove Ads | $4.99 | one-time |
| Hints 550 | $4.99 | one-time |
| Hints 1250 | $9.99 | one-time |
| Hints 2550 | $19.99 | one-time |
| Hints 6550 | $49.99 | one-time |


## Frequently asked questions

### Is Space42 free?

Space42 is free to download, with no in-app purchases.

### Is Sudoku free?

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

### Do Space42 or Sudoku have ads?

Sudoku shows ads; Space42 does not.

### Which is updated more often, Space42 or Sudoku?

Space42 ships an update every 5 days, and Sudoku every 3 months. Most recently, Space42 was updated on October 27, 2026 and 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.*