# Notation Chess vs Sudoku

The clearest difference is iOS requirement: Notation Chess at 13.0 against Sudoku's 26.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Notation Chess | Sudoku |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/notation-chess/id6775319199/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Monetization | Free | — |
| Size | 2 MB | 4 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | iPhone, iPod, Apple Watch | **iPhone, iPad, Apple Watch, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Zheng Liang](https://appshunter.io/developer/6775319203) | [Azizbek Asadov](https://appshunter.io/developer/1447770540) |

## What reviewers say

### Notation Chess

[App page](https://appshunter.io/ios/app/notation-chess/id6775319199)

Practice chess visualization and play games using only standard notation, directly from your Apple Watch. This app offers adjustable difficulty and engine settings, with the ability to review moves and peek at the board when needed.

**Highlights:** Play chess on Apple Watch, Practice with standard chess notation, Adjustable difficulty and engine settings, Review move history, Peek at the board feature, Undo moves

**Features:** Apple Watch app

**In-app purchases:** none


### Sudoku

[App page](https://appshunter.io/ios/app/sudoku-train-your-brain-pro/id6813478340)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Notation Chess free?

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

### Is Sudoku free?

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

### Do Notation Chess or Sudoku have ads?

Neither Notation Chess nor Sudoku shows ads.

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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.*