# Sudoku \| Keep your mind sharp! — Stay Sharp with Daily Updates

> Classic Sudoku puzzles for all skill levels with helpful features. (iPhone/iPad app by Loyal Foundry, Inc..)

- Source: https://appshunter.io/ios/app/sudoku-keep-your-mind-sharp/id1483114958 (this page in markdown: same URL + `.md`)
- Developer: [Loyal Foundry, Inc.](https://appshunter.io/developer/1620612434)
- Category: Games, Lifestyle, Board, Card
- Price: Free with in-app purchases
- Rating: 4.65/5 from 225 App Store ratings · 3 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.0 · 186 MB
- Languages: English
- Released: 2020-08-27
- Data updated: 2026-08-26
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/sudoku-keep-your-mind-sharp/id1483114958/reviews.md

## What is Sudoku | Keep your mind sharp!?

Keep your mind sharp as you play Sudoku, the classic numbers game.

Classic Sudoku for beginners and experts. Thousands of free puzzles to clear your mind and relax.

Whether you are looking for a relaxing puzzle experience, or a brain testing mind bender, our Sudoku has you covered. Sharpen your mind with just a few games a day.

- Thousands of FREE puzzles.
- All the features you need for a perfect game of Sudoku.
- Take notes that automatically update as you solve numbers on the puzzle board.
- Pick your favorite theme from light to dark to suit your mood.
- Difficulty levels from easy to expert, with over 1,000 puzzles for each level.
- Track your statistics for each difficulty level.
- Cell, row, and column highlights for enhanced gameplay and a great user experience.
- Use hints if you get stuck. Hints are unlimited, so you are not penalized for using them!
- Simple, clean, and easy to understand gameplay.
- Free updates with improvements, themes, and more Sudoku puzzles.

If you love brain training exercises, calm puzzle games, and classic Sudoku, please give it a try. Thank you for playing!

Love the app? Give us a five star rating, write a review and share the app with your friends! 

Need Help? Let us know here: https://loyalfoundry.atlassian.net/servicedesk/customer/portal/1

Privacy Policy and Terms of Use: https://www.loyal.app/privacy-policy

## Key features

- Thousands of free puzzles
- Note-taking feature
- Customizable themes
- Multiple difficulty levels
- Statistics tracking
- Unlimited hints
- Cell, row, and column highlighting

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Premium Access | $0.99 | per month |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Sudoku Remove Ads | $3.99 | one-time |


## Recent user reviews (3 of 3)

All indexed reviews: https://appshunter.io/ios/app/sudoku-keep-your-mind-sharp/id1483114958/reviews.md

### 1/5 — Ok

*2026-06-17, version 7.2.1*

Won’t stop asking me to review it so 1 star now leave me alone

### 5/5 — Sudoku!!!

*2024-08-16, version 1.1.10*

Love the music in the bathroom and the way they gave us options to choose our theme🥰 Love this app, and it is good that they let you choose the difficulty…overall, I just started this app and it’s so fun!!

### 5/5 — SUDOKU

*2020-10-19, version 1.0.1*

cool jazz music cool dark theme option cool app worth removing ads

## Frequently asked questions about Sudoku | Keep your mind sharp!

### What is this app about?

This app offers a classic Sudoku numbers game with thousands of free puzzles for players of all skill levels. It's designed to help you relax, clear your mind, and sharpen your cognitive abilities through engaging gameplay.

### What are the key features of this Sudoku app?

Key features include thousands of free puzzles, note-taking capabilities that update automatically, customizable themes (light to dark), multiple difficulty levels (easy to expert), statistics tracking for each level, cell/row/column highlighting, and unlimited hints to assist you when stuck.

### Is this app free to play?

Yes, the app offers thousands of free Sudoku puzzles. It also includes ads and has in-app purchases, which may offer additional benefits or remove ads.

### What devices is this app compatible with?

While specific device compatibility isn't detailed, the app is designed for mobile use and is likely available on major mobile operating systems like Android and iOS. It's recommended to check the app store listing for precise compatibility information.

### Who would enjoy this Sudoku app?

This app is ideal for anyone who enjoys brain training exercises, calm puzzle games, and the classic Sudoku experience. Whether you're a beginner looking for an easy introduction or an expert seeking a challenge, the app caters to all levels.

## Version history (last 5 releases)

### 8.0.2 — 2026-06-29

Minor bug fixes and performance improvements

### 8.0.1 — 2026-06-19

Minor bug fixes and performance improvements

### 7.2.1 — 2026-05-01

Minor bug fixes and performance improvements

### 7.2.0 — 2026-03-12

Minor bug fixes and performance improvements

### 7.1.0 — 2026-01-29

Minor bug fixes and performance improvements

## Apps similar to Sudoku | Keep your mind sharp!

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Sudoku - Number Brain Games](https://appshunter.io/ios/app/sudoku-number-brain-games/id6476258144) | 4.7 (14,172) | Free | Games |
| [Sudoku :)](https://appshunter.io/ios/app/sudoku/id398990729) | 4.7 (58,951) | Free | Games |
| [Sudoku ∙](https://appshunter.io/ios/app/sudoku/id727577974) | 4.7 (1,434) | Free | Games |
| [Sudoku Color - Classic Puzzle!](https://appshunter.io/ios/app/sudoku-color-classic-puzzle/id1503221765) | 4.8 (34,525) | Free | Games |
| [Sudoku.com - Number Games](https://appshunter.io/ios/app/sudokucom-number-games/id1193508329) | 4.8 (1,847,599) | Free | Games |
| [Sudoku Master Edition](https://appshunter.io/ios/app/sudoku-master-edition/id1260190370) | 4.6 (7,889) | Free | Games |

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All apps by Loyal Foundry, Inc.: https://appshunter.io/developer/1620612434

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-26.*