Comparison

Sudoku· vs Sudoko Challenge

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 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.

About

Sudoko Challenge

Enjoy a relaxing and fun Sudoku experience with thousands of puzzles across four difficulty levels. Track your progress and use hints to overcome challenging grids. The game features charming student-life imagery.

Highlights
  • 2000 puzzles
  • 4 difficulty levels
  • Statistics tracking
  • Hints system
  • Student life theme
Features
Read full description

Sudoku Challenge is a great sudoku game. The game has beautiful images about student life like notebook, pencil, note,... which reminds you of your childhood. There are up to 2000 puzzles divided into 4 levels: easy, normal, hard, expert. The game is funny and relaxing. Just play Sudoku Master in your free time and have fun. Features: - 4 levels. - Statistics tracking. - beautiful effects. - Hints to help you complete hard ones.

Screenshots

Sudoku·3 screens
Sudoko Challenge4 screens

Verdict

The call

The clearest difference is ratings volume: Sudoku· at 17K against Sudoko Challenge's 1. Sudoku· also leads on update cadence (every 2 months vs every 13 months). Sudoko Challenge's advantage is rating (5.0 vs 4.7) and iOS requirement (11.0 vs 13). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Sudoko Challenge holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Sudoku· has 17K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Sudoku· ships an update every 2 months, Sudoko Challenge every 13 months. The most recent releases landed on November 7, 2026 and November 2, 2026 respectively.

Scorecard4 real differences · 6 level
Sudoku· versus Sudoko Challenge: the parameters behind the verdict, then further details
ParameterSudoku·Sudoko Challenge
PriceFreeFree
Rating4.7 (17K ratings)5.0 (1 ratings) — better
Positive reviews65.7% of reviews—
Number of ratings17K — better1
Update frequencyEvery 2 months — betterEvery 13 months
AdsYesYes
In-app purchasesNoNo
MonetizationAd-supportedAd-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS1311.0 — better
Further details — not scored
Size42 MB10 MB
Age rating4+4+
DeveloperTim O's Studios, LLCDu Duong

Customer experience

Sudoku·

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

Sudoko Challenge

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

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

Sudoko Challenge

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Sudoku·

No in-app purchases

None

Sudoko Challenge

No in-app purchases

Questions

Is Sudoku· free?
Sudoku· is free to download, with no in-app purchases.
Is Sudoko Challenge free?
Sudoko Challenge is free to download, with no in-app purchases.
Which has better reviews, Sudoku· or Sudoko Challenge?
Sudoko Challenge is rated higher. Sudoku· averages 4.7 out of 5 from 17K ratings, while Sudoko Challenge averages 5.0 from 1 ratings.
Do Sudoku· or Sudoko Challenge have ads?
Both Sudoku· and Sudoko Challenge show ads.
Which is updated more often, Sudoku· or Sudoko Challenge?
Sudoku· ships an update every 2 months, and Sudoko Challenge every 13 months. Most recently, Sudoku· was updated on November 7, 2026 and Sudoko Challenge on November 2, 2026.

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