# Sudoku Classic – Soku — Number puzzle brain game

> Number puzzle brain game (iPhone/iPad app by Alga Games.)

- Source: https://appshunter.io/ios/app/sudoku-classic-soku/id1485076166 (this page in markdown: same URL + `.md`)
- Developer: [Alga Games](https://appshunter.io/developer/511759535)
- Category: Games, Entertainment, Board, Puzzle
- Price: Free
- Age rating: 4+
- Requires: iOS 15.6 · 7 MB
- Languages: American English, Arabic, French (France), German (Germany), Hindi, Italian, Japanese, Korean, Polish, Brazilian Portuguese and 7 more
- Released: 2019-11-16
- Data updated: 2026-09-09
- User reviews in markdown: https://appshunter.io/ios/app/sudoku-classic-soku/id1485076166/reviews.md

## What is Sudoku Classic?

Soku is classic 9×9 Sudoku — free, focused, and made for your brain.

Choose Easy, Medium, Hard, or Very Hard. Fill every row, column, and 3×3 box with the numbers 1 to 9. No repeats. Just logic.

Play a quick puzzle on the train or settle in for a longer session. Soku stays out of the way so you can think.

WHY SOKU
• Classic Sudoku, nothing extra — a clean 9×9 grid
• Four difficulty levels, from beginner to Very Hard
• Hints when you get stuck
• Undo and reset if you want a fresh start
• Error tracking so you can learn from mistakes
• On-screen timer to beat your own time
• Completed-number tracker to see what is left
• Dark Mode for late-night puzzles
• Game Center leaderboards for each difficulty
• Free to play on iPhone and iPad
• Small download (about 7 MB)
• No account. Puzzles are generated on your device

HOW TO PLAY
1. Pick a difficulty.
2. Tap a cell, then tap a number.
3. Each digit from 1 to 9 can appear only once in its row, column, and 3×3 box.
4. Use a hint if you need a nudge — or play it pure.

A CALM BRAIN GAME
Sudoku is a number puzzle and a logic workout. A few minutes a day can sharpen focus and problem-solving. Soku is built for that habit: offline-friendly play, a readable board, and no sign-up wall.

Soku includes optional ads to keep the game free. If you enjoy a quiet grid and a fair challenge, download Soku and start a puzzle today.

If you like classic Sudoku, a rating or a short review helps other players find it. Thank you for playing.


## Version history (last 5 releases)

### 2.5 — 2026-08-27

Thanks for playing Soku.

Soku now speaks your language: the game is available in 17 languages.

• Full translation of the menu, board and results
• Dark Mode for late-night puzzles
• Game Center leaderboards for every difficulty
• Smoother play on iPhone and iPad

If Soku makes you think, a quick rating helps other puzzle fans find this free Sudoku. Thank you.

### 2.4 — 2026-06-19

• Introducing Dark Mode — easier on the eyes for late-night puzzles

### 2.3 — 2026-02-22

Added a missing numbers counter to help you better track your progress.
Also includes visual and design improvements for a cleaner and more enjoyable playing experience.

Thanks for playing Soku – Sudoku Classic.

### 2.2 — 2025-08-10

Minor bug fixes

### 2.1 — 2025-08-08

This update brings a refreshed design for a smoother and more modern experience, along with performance improvements and minor bug fixes across all devices.

## Apps similar to Sudoku Classic

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Basic Sudoku Puzzle](https://appshunter.io/ios/app/basic-sudoku-puzzle/id6505109021) | — | Free | Games |
| [Classic Sudoku Brain Puzzle](https://appshunter.io/ios/app/classic-sudoku-brain-puzzle/id6740245304) | — | Free | Games |
| [Master Sudoku Challenge](https://appshunter.io/ios/app/master-sudoku-challenge/id6670557985) | — | Free | Games |
| [Legacy Sudoku](https://appshunter.io/ios/app/legacy-sudoku/id6741679393) | — | Free | Games |
| [Sudoku - Classic Sudoku Games](https://appshunter.io/ios/app/sudoku-classic-sudoku-games/id1242854141) | 4.8 (20,666) | Free | Games |
| [Sudoku51](https://appshunter.io/ios/app/sudoku51/id1450760182) | — | Free | Games |

## More apps by Alga Games

- [Dots Classic – Dots & Boxes](https://appshunter.io/ios/app/dots-classic-dots-and-boxes/id511759532)
- [Gato – Tic Tac Toe](https://appshunter.io/ios/app/gato-tic-tac-toe/id512109596)
- [Belle Art](https://appshunter.io/ios/app/belle-art/id544456094)
- [Raya - Four in a Row](https://appshunter.io/ios/app/raya-four-in-a-row/id6797360169)

All apps by Alga Games: https://appshunter.io/developer/511759535

## Related topics

[alga games](https://appshunter.io/ios/topics/alga-games) · [soku](https://appshunter.io/ios/topics/soku)

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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 2026-09-09.*