# Sudoku Solver (en) vs Proper Sudoku

The clearest difference is ads: Sudoku Solver (en) at none against Proper Sudoku's shown. Sudoku Solver (en) also leads on update cadence (weekly vs every 10 months). Proper Sudoku's advantage is iOS requirement (15.0 vs 18.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Sudoku Solver (en) sells 3 one-off in-app purchases and Proper Sudoku sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Sudoku Solver (en) ships an update weekly, Proper Sudoku every 10 months. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Sudoku Solver (en) | Proper Sudoku |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 10 months |
| Size | 2 MB | 431 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [xis int. ag](https://appshunter.io/developer/331701100) | [Gameware Europe Ltd](https://appshunter.io/developer/1794895323) |

## What reviewers say

### Sudoku Solver (en)

[App page](https://appshunter.io/ios/app/sudoku-solver-en/id331701097)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Levels | $0.99 | one-time |
| Solverstrategies | $1.99 | one-time |
| Complete Version | $1.99 | one-time |


### Proper Sudoku

[App page](https://appshunter.io/ios/app/proper-sudoku/id6741939830)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Upgrade | $4.99 | one-time |


## Frequently asked questions

### Is Sudoku Solver (en) free?

Sudoku Solver (en) is free to download, with in-app purchases available.

### Is Proper Sudoku free?

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

### Do Sudoku Solver (en) or Proper Sudoku have ads?

Proper Sudoku shows ads; Sudoku Solver (en) does not.

### Which is updated more often, Sudoku Solver (en) or Proper Sudoku?

Sudoku Solver (en) ships an update weekly, and Proper Sudoku every 10 months. Most recently, Sudoku Solver (en) was updated on October 29, 2026 and Proper Sudoku on October 28, 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.*