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Sudoku - No Adverts, Ad Free!

Sudoku - No Adverts, Ad Free!

The classic 9x9 number puzzle.

599 ratings
263 reviews
With Ads
🎮 Games
📚 Education
🎲 Board
🧩 Puzzle
Free
In-App PurchasesWith Ads

Details

  • Released
  • Updated
  • May 18, 2012
  • July 4, 2026

Developer

The Chess Solitaire Sudoku Factory Ltd
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Sudoku - No Adverts, Ad Free! screenshot #9 for iPhone
Sudoku - No Adverts, Ad Free! screenshot #10 for iPhone
iphone
ipad
🧾$0.99 - $1.99
In-App Purchase↘︎
📌Ready
Reviews summary↘︎
⭐263
Reviews↘︎
📝3+ tags
Tags↘︎
🔄6+ apps
Alternatives↘︎
🏆3 achievements
Achievements↘︎
❓5 answered
FAQ↘︎
📦~ in 3 weeks
Updates frequency↘︎
🖼️Get Icon
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About

This app offers a classic 9x9 number puzzle experience with adjustable difficulty levels. It provides tools to assist players, from beginners to advanced, and allows users to input puzzles from external sources. Enjoy daily challenges and track your progress.

✓Six difficulty levels
✓Input puzzles from newspapers
✓Advanced solving hints
✓Note-taking tools
✓Mistake highlighting
✓Auto-fill options
✓Color-coding entries
Show original description

What users say

Summarized from real user reviews of Sudoku. Based on 599 reviews and a 4.6/5 average, it highlights the 6 positives and 5 negatives reviewers mention most about this game.

Positive things

  • 👍Easy to use
  • 🧠Challenging puzzles
  • 💡Ability to enter own puzzles
  • 🎨Color-coded numbers
  • 🔄Undo/rewind feature
  • 🤖Automatic solving of entered puzzles

Negative things

  • 🐛Bugs in 'Hard' level puzzles
  • 🔒Pro features locked behind paywall
  • 🤯Difficulty levels not clearly differentiated
  • 🤔Unclear scoring/rating system
  • 💸Intrusive ads
See all reviews

What's New in Sudoku

4.59.01

July 4, 2026

The most complete implementation of Sudoku available on any format! Everything from "Suggest a Technique" to "Enter your own Sudoku". Winner of several awards!

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Subscription plans

Sudoku Pro Annual Subscription

Sudoku Pro Annual Auto-Renewing Subscription

$1.991 Year
How to cancel Sudoku subscription ⁉️
3

In-App Purchases

$1.99

Purchase Pro Outright

Purchase Pro Outright - One off payment.

User reviews

Most RecentHighest RatedLowest Rated

Sudoku

I’m mad! I bought the full version years ago and then it was changed and I could no longer do the master level puzzles, now you’ve changed it again and not only can I not do the master level puzzles, but I can’t even do the very hard level puzzles either. Why did I buy it in the first place, and why would I purchase it again if you’re just going to change it again and make me buy it again. It’s criminal! This will be the third time I’ve bought this game! CRIMINAL
Show more
buzz_ki11ingtonbuzz_ki11ington

Five Stars!!!!!!

Excellent!!!!!
mmhumedmmhumed

Best Ever

Since iPaq time. Can have a small visual work over. Fine in every aspect
Stevan GorgievskiStevan Gorgievski

👍👍 2 THUMBS UP!!!

LOVE THE MANY OPTIONS!!! 💖💖
rebeccalynn711rebeccalynn711

Farshid

Zee
flyer farshidflyer farshid
See 258 more reviews

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User experience

🐞

Reported Bugs

4 issues

Puzzle grid freezing

Bug

Incorrect number removal

Bug

Pro features not working as expected

Bug

Sudden removal of 'Very Hard' difficulty level

Bug
✨

Requested Features

4 requests

Ability to mark possible entries in a cell

Feature

More granular difficulty levels

Feature

Detailed instructions/explanations for features

Feature

Statistics tracking across all difficulty levels

Feature

FAQ

What is this app?

This app provides a classic 9x9 number puzzle experience, commonly known as Sudoku. It offers a wide range of difficulty levels, from simple for beginners to very hard for advanced players. You can play unlimited puzzles generated by the app or even input puzzles from newspapers.

What are the key features of this Sudoku app?

Key features include six distinct difficulty levels, the ability to input and solve puzzles from external sources like newspapers, advanced hints and solving techniques (e.g., Swordfish, X-Wings), note-taking tools like a 'ball of string', mistake highlighting, and auto-fill options. It also includes color-coding for entries and a scoring system.

Is this app free to download and play?

The app is free to download and offers a free experience. However, it does include in-app purchases, which may unlock additional features or content.

What are the benefits of playing Sudoku with this app?

Playing Sudoku with this app can help exercise your brain, improve logical thinking, and enhance concentration. It's a great way to relax your mind while keeping it active. The app also helps you track your improvement over time with daily challenges.

Can I use this app to solve Sudoku puzzles from my newspaper?

Yes, absolutely. A significant feature of this app is the ability to transfer Sudoku puzzles directly from your favorite newspaper or any other source. You can then solve them within the app, using its tools and hints if needed.