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・

Experience Sudoku in a feudal Japan setting with beautiful graphics and advanced features. This app offers dual keypad entry, smart note-taking, and error checking to enhance your puzzle-solving. With multiple difficulty levels and thousands of puzzles, it caters to all skill levels.

Highlights
  • Dual keypad entry
  • Smart notes (auto-notes & manual deletion)
  • Optional error checking
  • Multiple difficulty levels
  • 3,000+ puzzles
  • Feudal Japan theme
Features
Read full description

Take a journey to feudal Japan with Sudoku Free! With beautiful graphics and killer features, Sudoku Free! is the best Sudoku app available for iOS. DUAL KEYPAD ENTRY Two separate keypads, one for entries and one for notes, allow you to enter values quickly and easily. No more tedious switching between entry mode and note mode to complete your puzzle. SMART NOTES The optional auto-notes feature enters all of the notes into the puzzle for you and keeps them updated as you solve. If you don't want that much help, the optional smart notes feature automatically deletes values from notes you have entered manually when they are no longer valid. ERROR CHECKING The optional error checker tells you when you have entered an incorrect or illogical value, allowing you to catch errors early and preventing needless frustration. MULTIPLE DIFFICULTY LEVELS Five difficulty levels, from easy to insane, ensure that you will be able to find a puzzle that matches your skill level. With 3,000 total puzzles, you won't run out of puzzles any time soon. Download Sudoku Free! for free today and start playing Sudoku the way it was meant to be played!

About

Sudoku·

Engage your mind with a classic Sudoku puzzle game. Enjoy a clean interface and multiple difficulty levels. Track your progress and compete with others.

Highlights
  • Daily Challenge
  • Multiple difficulty levels
  • Note taking
  • Hint system
  • Highlight incorrect values
  • Individual statistics
  • Game Center leaderboard
Features
Read full description

Pass the time while you challenge your mind with this classic Sudoku game. The clean, simple layout makes it easy to play for hours at a time. The objective is simple, fill the 9×9 grid with digits so that each column, row, and the nine 3×3 sub-grids contains all of the digits from 1 to 9. Sudoku· features: - Daily Challenge - Four levels (easy, medium, hard, and expert) - Disable numbers once all 9 instances are entered - Note taking ability - Hint (fill in missing number when you are stuck) - Highlight Incorrect Values - Auto Reveal all potential notes - Individual statistics - Game Center with Leaderboard and Achievements Download today for mind-challenging fun.

Screenshots

Sudoku・4 screens
Sudoku·3 screens

Verdict

The call

The clearest difference is in-app purchases: Sudoku· at none against Sudoku・'s 10. Sudoku· also leads on update cadence (every 2 months vs every 5 months). Sudoku・'s advantage is review sentiment (88% vs 66%) and iOS requirement (11.0 vs 13). On price, rating, ratings volume and ads 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. Sudoku· asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for Sudoku・ against 4.7 for Sudoku·. Both are backed by a comparable volume of ratings — 11K and 17K respectively. Written reviews are what separate them: 88% of Sudoku・'s written reviews are positive against 66% of Sudoku·'s.

UpkeepUpdate frequency

Sudoku・ ships an update every 5 months, Sudoku· every 2 months. Both last shipped on October 29, 2026.

Scorecard5 real differences · 5 level
Sudoku・ versus Sudoku·: the parameters behind the verdict, then further details
ParameterSudoku・Sudoku·
PriceFreeFree
Rating4.6 (11K ratings)4.7 (17K ratings) — better
Positive reviews88.3% of reviews — better65.7% of reviews
Number of ratings11K17K — better
Update frequencyEvery 5 monthsEvery 2 months — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS11.0 — better13
Further details — not scored
Size133 MB42 MB
Age rating4+4+
DeveloperOptime Software LLCTim O's Studios, LLC

Customer experience

Sudoku・

All ratings10,877 ratings
Positive90.0%
Neutral4.9%
Negative5.1%
Written reviews1,927 reviews
Positive88.3%
Neutral4.3%
Negative7.4%

Sudoku·

All ratings17,294 ratings
Positive94.0%
Neutral4.0%
Negative2.0%
Written reviews397 reviews
Positive65.7%
Neutral9.8%
Negative24.4%

User reviews

Sudoku・

From 11K App Store ratings

What we love

  • 🚀 Great game
  • 👍 User-friendly interface
  • 👍 Challenging levels
  • 👍 Ability to make notes
  • 🤓 Keeps mind active

Room to improve

  • 🐛 Crashes/freezes
  • 💰 Excessive ads/in-app purchases
  • 🔍 Difficult to see numbers/highlights
  • 🔄 Timer issues (doesn't reset)
  • 🙄 Unnecessary changes to UI

Sudoku·

From 17K App Store ratings

What we love

  • ⭐ Excellent sudoku game
  • 👍 Easy to use and understand
  • 🧠 Helps exercise the brain
  • 💤 Relaxing and calming

Room to improve

  • 🙄 Excessive ads and interruptions
  • ⏱️ Ads affect game timer
  • 🔇 Cannot mute or control audio
  • 🐛 Bugs and crashes

Bugs and requests

Sudoku・

Reported bugs

3 issues
  • App crashes when trying to access higher difficulty levels
  • Inability to restore previously purchased content
  • Clipboard data being accessed without user permission

Requested features

4 requests
  • Option to disable ads/in-app purchases
  • More customization options (colors, themes, etc.)
  • Ability to listen to own music during gameplay
  • Better handling of saved progress/purchases across devices

Sudoku·

Reported bugs

4 issues
  • Game freezes or crashes after updates
  • Timer issues due to ads
  • Difficulty closing ads or navigating UI
  • Incompatibility with newer devices

Requested features

4 requests
  • Option to pay for ad-free version
  • Ability to pause and restart games
  • More detailed performance tracking
  • Customizable color themes

In-app purchases

10 purchases

Sudoku・

One-time10
  • Puzzle Pack - Genpei$0.99
  • Puzzle Pack - Norada$0.99
  • Puzzle Pack - Meiji$0.99
Show 7 more
  • Puzzle Pack - Taisho$0.99
  • Puzzle Pack - Showa$0.99
  • Puzzle Pack - Sakai$0.99
  • Puzzle Pack - Subushi$0.99
  • Puzzle Pack - Kurikara$0.99
  • Puzzle Pack - Miura$0.99
  • Puzzle Pack - Ishizu$0.99
None

Sudoku·

No in-app purchases

Questions

Is Sudoku・ free?
Sudoku・ is free to download, with in-app purchases available.
Is Sudoku· free?
Sudoku· is free to download, with no in-app purchases.
Which has better reviews, Sudoku・ or Sudoku·?
Sudoku· is rated higher. Sudoku・ averages 4.6 out of 5 from 11K ratings, while Sudoku· averages 4.7 from 17K ratings.
Do Sudoku・ or Sudoku· have ads?
Both Sudoku・ and Sudoku· show ads.
Which is updated more often, Sudoku・ or Sudoku·?
Sudoku・ ships an update every 5 months, and Sudoku· every 2 months. Most recently, Sudoku・ was updated on October 29, 2026 and Sudoku· on October 29, 2026.

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