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:) Sudoku

:) Sudoku

by Jason Linhart

4.4K ratings
305 reviews
🎮 Games
🎬 Entertainment
🎲 Board
🧩 Puzzle

Archived App (Last seen on 28 Mar 2025)

This is an archived listing of the app previously available on the App Store.

Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.

Details

  • Released
  • Updated
  • February 1, 2019
  • February 1, 2019

Features

Developer

Jason Linhart
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:) Sudoku screenshot #5 for iPhone
iphone
ipad
📌Ready
Reviews summary↘︎
⭐305
Reviews↘︎
🔄6+ apps
Alternatives↘︎
❓5 answered
FAQ↘︎
📦w/o updates
Updates frequency↘︎
🖼️Get Icon
Icons↘︎

About

This app offers a comprehensive Sudoku experience with 17 difficulty levels, a helpful tutorial, and an advanced hint system. It caters to both beginners and experts with features designed to improve gameplay and learning. Enjoy unlimited puzzles and track your progress with a game clock.

✓17 difficulty levels
✓Advanced hint system
✓Tutorial for learning techniques
✓High contrast digits
✓Infinite undo/redo
✓Board solvable indicator
✓Automatic pencil marks
Show original description

What users say

Summarized from real user reviews of . Based on 4.4K reviews and a 4.8/5 average, it highlights the 6 positives and 4 negatives reviewers mention most about this game.

Positive things

  • 👍Excellent user interface
  • 🚀Smooth gameplay
  • 💡Helpful tutorials and hints
  • 🔒No intrusive ads
  • 🧠Challenging puzzles
  • ⏱️Detailed performance tracking

Negative things

  • 🐛Crashes after completing puzzles
  • 🐛Settings menu not working
  • 🔧Compatibility issues with newer iOS versions
  • 🕰️Overly harsh time penalties for hints
See all reviews

What's New in

5.2.7

February 1, 2019

This app has been updated by Apple to display the Apple Watch app icon. Improved compatibility with newer versions of iOS. Added support for split view multitasking (when available). Fixes disappearing digits in wild and weird play. Fixed on/off sliders in Settings sometimes getting "stuck". Forcing the screen orientation is no longer available. Please use the system supplied orientation lock. Now requires iOS 8 or newer.

More

User reviews

Most RecentHighest RatedLowest Rated

needs an update ?

on iPhone 16, the app crashes when you tap « hint »
Munari52Munari52

Crash

It’s a nice app. But for recently it keep on crashing when you try for hint or setting . Please fix it.
Jindal KJindal K

Fantastic!!

Like many others, I’ve had the app for many years and have been spoiled by its ease of use and helpful features. Number highlights, pencil marks, and technique lessons for learning strategies make it super-convenient and an enjoyable experience to use.
WxN8rWxN8r

Great job

Great game to keep your mind focused!
Cliff-N-CaliCliff-N-Cali

If you have a choice CHOOSE THIS!!

The best for beginning and learning. Great for daily competition. I start with intermediate and work my way up as my brain wakes up every day. No ads. No cream to watch. Just the best.
PlatinumDinnaPlatinumDinna
See 300 more reviews

Developer apps

:) Sudoku +
:) Sudoku +

by Jason Linhart

🎮 Games

(6.5K)

$2.99
Sudoku Joy
Sudoku Joy

by Jason Linhart

🎮 Games

(1.4K)

Free
See developer apps

User experience

🐞

Reported Bugs

2 issues

App crashes when accessing settings

Bug

Puzzle progress not saving correctly

Bug
✨

Requested Features

3 requests

Option to disable sound effects

Feature

Ability to import custom puzzles

Feature

More daily puzzle variations

Feature

FAQ

What is :) Sudoku?

:) Sudoku is a mobile application designed for playing Sudoku puzzles. It offers a wide range of difficulty levels, from beginner to expert, and includes features to help users learn and improve their Sudoku-solving skills.

What are the key features of :) Sudoku?

Key features include 17 difficulty levels, a multi-stage hint system that explains techniques, a tutorial, large and easy-to-read digits, infinite undo/redo, a board solvable indicator, and automatic or manual pencil marks. It also offers various color schemes and digit styles.

Is :) Sudoku free to play?

Yes, this version of :) Sudoku is free to play. The description mentions other Sudoku products like :) Sudoku + (paid) and Sudoku Joy (free) for unlimited puzzles, implying this specific app offers a free experience.

How does the hint system work?

The hint system starts with a gentle reminder and progresses to illustrating the exact technique needed and how to apply it to the current board. This feature is designed to help users overcome frustrating moments and learn advanced Sudoku strategies.

Can I learn new Sudoku techniques with this app?

Yes, the app includes a tutorial that teaches new techniques. Additionally, the advanced hint system can explain complex strategies like X-Wings and sashimi fish, helping users become better players.