# Proper Sudoku vs ChessP2P

The clearest difference is ads: ChessP2P at none against Proper Sudoku's shown. ChessP2P also leads on update cadence (fortnightly vs every 10 months). Proper Sudoku's advantage is iOS requirement (15.0 vs 26.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Proper Sudoku sells 1 one-off in-app purchase and ChessP2P sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Proper Sudoku ships an update every 10 months, ChessP2P fortnightly. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Proper Sudoku | ChessP2P |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 10 months | **Fortnightly** |
| Size | 431 MB | 32 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gameware Europe Ltd](https://appshunter.io/developer/1794895323) | [dimitris paidarakis](https://appshunter.io/developer/943672815) |

## What reviewers say

### 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 |


### ChessP2P

[App page](https://appshunter.io/ios/app/chessp2p/id6764076657)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Walnut Board | $2.99 | one-time |
| Marble Board | $2.99 | one-time |
| Neon Board | $3.99 | one-time |
| Modernist Pieces | $3.99 | one-time |
| Hand-carved Pieces | $3.99 | one-time |
| Cool Pieces | $3.99 | one-time |
| Complete Pack | $8.99 | one-time |
| ChessP2P Premium | $11.99 | one-time |


## Frequently asked questions

### Is Proper Sudoku free?

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

### Is ChessP2P free?

ChessP2P is free to download, with in-app purchases available.

### Do Proper Sudoku or ChessP2P have ads?

Proper Sudoku shows ads; ChessP2P does not.

### Which is updated more often, Proper Sudoku or ChessP2P?

Proper Sudoku ships an update every 10 months, and ChessP2P fortnightly. Most recently, Proper Sudoku was updated on October 13, 2026 and ChessP2P on October 7, 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.*