Comparison

Sudoku vs Sudoku ∙

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Sudoku

Engage your mind with a variety of Sudoku puzzles, including classic and unique variations like Diagonal, Irregular, and OddEven. Offers a no-ads experience with features to aid gameplay and track progress. Perfect for logic puzzle enthusiasts seeking a mental challenge.

Highlights
  • Six Sudoku variations
  • No ads
  • Weekly bonus puzzles
  • Multiple difficulty levels
  • Graphic puzzle previews
  • Unlimited hints and undo
  • Dark Mode support
Features
Read full description

Play six different Sudoku variations in a single app! Start with classic Sudoku grids and advance to Diagonal Sudoku, Irregular Sudoku and OddEven Sudoku - each with a different look and a unique twist of brain challenging logic. Huge brain-bashing Mega Sudoku puzzles, also known as Monster Sudoku, are offered for iPad only. With its diverse variations and straightforward no-frills game design, Conceptis Sudoku brings a new dimension to Sudoku mobile gaming - on both iPad and iPhone. To help see the puzzle progress, graphic previews in the puzzle list show the progress of all puzzles in a volume as they are being solved. A Gallery view option provides these previews in a larger format. For more fun, Sudoku contains no ads and includes a Weekly Bonus section providing an extra free puzzle each week. PUZZLE FEATURES • 160 free Classic Sudoku and Sudoku variant puzzles • Variants include Mini, Diagonal, Irregular, OddEven and Mega • Extra bonus puzzle published free each week • Multiple difficulty levels from very easy to extremely hard • Grid sizes up to 16x16 • Puzzle library continuously updates with new content • Manually selected, top quality puzzles • Unique solution for each puzzle • Hours of intellectual challenge and fun • Sharpens logic and improves cognitive skills GAMING FEATURES • No ads • Unlimited check puzzle • Unlimited hints • Show conflicts during gameplay • Unlimited Undo and Redo • Pencilmarks feature for solving hard puzzles • Autofill pencilmarks mode • Highlight Excluded Squares option • Lock number on keypad option • Concurrently playing and saving multiple puzzles • Puzzle filtering, sorting and archiving options • Dark Mode support • Graphic previews showing puzzles progress as they are being solved • Portrait and landscape screen support (iPad only) • Track puzzle solving times • Backup & restore puzzle progress to iCloud ABOUT Conceptis Sudoku variations have also become popular under other names such as Sudoku by Dave Green, Sudoku 12x12, Sudoku 16x16, Jigsaw Sudoku, Nonomino Sudoku, Squiggly Sudoku, Sudoku X and many more. All puzzles in this app are produced by Conceptis Ltd. - the leading supplier of logic puzzles to printed and electronic gaming media all over the world. On average, more than 20 million Conceptis puzzles are solved each day in newspapers, magazines, books and online as well as on smartphones and tablets across the world. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.conceptispuzzles.com/index.aspx?uri=info/doc/220

About

Sudoku ∙

Engage in a classic logic puzzle with multiple difficulty levels, from beginner to expert. Features include automatic saving, customizable options, and a beginner tutorial. Enjoy a well-crafted gameplay experience designed for maximum enjoyment on your mobile device.

Highlights
  • Multiple difficulty levels
  • Beginner tutorial
  • Automatic game saving
  • Customizable in-game options
  • Left or right-handed play
Features
Read full description

Sudoku is now available for iPhone, iPod Touch and iPad - with a level of gameplay never seen before in the AppStore! Discover this great version of Sudoku and join thousands of other addicted players - "This version is really well made - clean and easy to play. My favourite." - "Great game! I'll definitely recommend it to my friends." DIFFERENT GAME MODES - Four levels of difficulty - you can enjoy the game whether you're a beginner or an expert! - Novice player? Try our beginners' sudoku, with an interactive tutorial. - Or are you a Sudoku expert? Try the 'Impossible' level! - Left or Right-handed A FULL, FUN VERSION OF SUDOKU - Each turn is automatically saved - Prevent screen time-out during game time - The graphics have been designed to maximise your enjoyment Customise your game with many different in-game options, which you can turn on or off: - Show same-value numbers entered - Prevent same numbers from being entered - Activate or deactivate the timer

Screenshots

Sudoku4 screens
Sudoku ∙4 screens

Verdict

The call

The clearest difference is ads: Sudoku at none against Sudoku ∙'s shown. Sudoku also leads on review sentiment (95% vs 79%). Sudoku ∙'s advantage is iOS requirement (13.0 vs 15.6). On price, rating, ratings volume and update cadence there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Sudoku sells 10 one-off in-app purchases and Sudoku ∙ sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Sudoku against 4.7 for Sudoku ∙. Both are backed by a comparable volume of ratings — 1.1K and 1.4K respectively. Written reviews are what separate them: 95% of Sudoku's written reviews are positive against 79% of Sudoku ∙'s.

UpkeepUpdate frequency

Sudoku ships an update every 3 months, Sudoku ∙ every 2 months. Both last shipped on November 6, 2026.

Scorecard3 real differences · 7 level
Sudoku versus Sudoku ∙: the parameters behind the verdict, then further details
ParameterSudokuSudoku ∙
PriceFreeFree
Rating4.8 (1.1K ratings) — better4.7 (1.4K ratings)
Positive reviews95.4% of reviews — better79.0% of reviews
Number of ratings1.1K1.4K — better
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Apple TV — better
Requires iOS15.613.0 — better
Further details — not scored
Size10 MB113 MB
Age rating4+4+
DeveloperConceptis Ltd.Solitaire Games Studio

Customer experience

Sudoku

All ratings1,129 ratings
Positive96.0%
Neutral3.0%
Negative1.0%
Written reviews241 reviews
Positive95.4%
Neutral2.5%
Negative2.1%

Sudoku ∙

All ratings1,434 ratings
Positive95.1%
Neutral2.8%
Negative2.1%
Written reviews1,236 reviews
Positive79.0%
Neutral7.4%
Negative13.6%

User reviews

Sudoku

From 1.1K App Store ratings

What we love

  • 👍 No ads
  • 👍 Variety of puzzle types
  • 👍 Intuitive interface
  • 👍 Accurate difficulty ratings
  • 👍 Ability to check for mistakes

Room to improve

  • 🐛 Occasional crashes or freezes
  • 💡 Desire for more free/cheaper puzzle packs
  • 💡 Lack of dark mode option
  • 💡 Wish for more daily/weekly free puzzles

Sudoku ∙

From 1.4K App Store ratings

What we love

  • 👍 Easy to use interface
  • 💡 Separate note-taking feature
  • 🚀 Responsive gameplay
  • ⭐ Challenging difficulty levels

Room to improve

  • 🔍 Small font size
  • 💸 Excessive ads
  • 🐛 Crashes and freezes
  • 🔁 Inability to save progress

Bugs and requests

Sudoku

Reported bugs

3 issues
  • Crashes or freezes
  • Incompatibility with older devices
  • Lack of color blind support

Requested features

6 requests
  • Dark mode option
  • More free/variety puzzle packs
  • Ability to discard used puzzles
  • Hint feature to help when stuck
  • Ability to highlight numbers in different colors
Show 1 more
  • Chain strategy explanation

Sudoku ∙

Reported bugs

3 issues
  • Incorrect puzzle solutions
  • Inconsistent scoring and progress tracking
  • Ads that disrupt gameplay

Requested features

4 requests
  • Option to disable ads
  • Larger grid size
  • Ability to review completed puzzles
  • Customizable themes and appearances

In-app purchases

10 purchases

Sudoku

One-time10
  • Classic Easy 1$0.99
  • Diagonal Medium 1$1.99
  • Irregular Medium 1$1.99
Show 7 more
  • Classic Medium 1$1.99
  • Classic Hard 1$1.99
  • Diagonal Hard 1$1.99
  • Irregular Hard 1$1.99
  • OddEven Hard 1$1.99
  • Classic Devil 1$2.99
  • Mega Medium 1$3.99
1 purchases

Sudoku ∙

One-time1
  • Remove advertising$2.99

Questions

Is Sudoku free?
Sudoku is free to download, with in-app purchases available.
Is Sudoku ∙ free?
Sudoku ∙ is free to download, with in-app purchases available.
Which has better reviews, Sudoku or Sudoku ∙?
Sudoku is rated higher. Sudoku averages 4.8 out of 5 from 1.1K ratings, while Sudoku ∙ averages 4.7 from 1.4K ratings.
Do Sudoku or Sudoku ∙ have ads?
Sudoku ∙ shows ads; Sudoku does not.
Which is updated more often, Sudoku or Sudoku ∙?
Sudoku ships an update every 3 months, and Sudoku ∙ every 2 months. Most recently, Sudoku was updated on November 6, 2026 and Sudoku ∙ on November 6, 2026.

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