Comparison

Math Nexus vs Killer Sudoku

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

Head to head
About

Math Nexus

Features
Read full description

Math Nexus is a puzzle game that challenges your mind by turning numbers into logical puzzles, keeping your attention sharp while helping you focus, think faster, and spot patterns more easily. How to play: Connect tiles to form valid mathematical equations. Itโ€™s like a word search, but for math lovers. Every tile must be used at least once to solve the puzzle. The game covers all four fundamental operations: addition, subtraction, multiplication, and division. With six different puzzle types - including modes focused entirely on multiplication - thereโ€™s something for all ages and skill levels. Key Features: - Track your personal bests with local high scores across every game mode. - Unlock achievements as you improve and reach new milestones. - Compete on online leaderboards that reset every 72 hours, keeping the competition fresh. - Challenge friends to beat your high score. - Built-in screenshots and video recordings let you review each attempt and refine your strategy. Math Nexus is the daily challenge your brain has been waiting for. Download today to discover the most satisfying way to sharpen your mind. Available game types: "4x4" Addition, subtraction, multiplication, and division with numbers up to 10, answers up to 10. Solve 3 puzzles as fast as you can. "4x4 Multiplication" Multiplication up to 10x10. Solve 3 puzzles as fast as you can. "4x4 Pro" Addition and subtraction with numbers up to 20, answers up to 20. Multiplication with numbers up to 20, answers up to 50. Division of numbers up to 50 with divisors up to 20. Solve 3 puzzles as fast as you can. Available as in-app purchase: "5x5" Addition and subtraction with numbers up to 25, answers up to 25. Multiplication with numbers up to 25, answers up to 50. Division of numbers up to 50 with divisors up to 25. Solve 2 puzzles as fast as you can. "5x5 Multiplication" Multiplication up to 10x10. Solve 2 puzzles as fast as you can. "5x5 Pro" Addition and subtraction with numbers up to 30, answers up to 30. Multiplication with numbers up to 30, answers up to 99. Division of numbers from 10 to 99 with divisors up to 30. Solve 2 puzzles as fast as you can.

About

Killer Sudoku

Features
Read full description

Killer Sudoku Brain Puzzle is built for players who enjoy logic-first puzzle solving and a challenge that feels a little more demanding than regular sudoku. By combining classic sudoku rules with cage sum clues, each puzzle becomes deeper, more thoughtful, and more satisfying to solve. The experience stays clean and readable, while the puzzle design rewards careful thinking instead of guesswork. Features: - Clean killer sudoku gameplay - Classic number logic with cage sum rules - Multiple difficulty levels from Easy to Expert - Helpful hints for difficult moments - Smooth input and focused puzzle flow - Bright and dark themes for comfortable play Whether you play for a few minutes of daily brain training or settle in for a longer session, Killer Sudoku Brain Puzzle delivers a calm but rewarding logic challenge. If you enjoy sudoku, number puzzles, brain games, and smart daily challenges, this is a puzzle you will want to keep coming back to. Train your logic. Stay focused. Clear the board.

Screenshots

Math Nexus4 screens
Killer Sudoku4 screens

Verdict

The call

The clearest difference is price: Killer Sudoku at Free against Math Nexus's $2.99. Killer Sudoku also leads on iOS requirement (15.0 vs 17.4). Math Nexus's advantage is ads (none vs shown) and update cadence (every 9 days vs every 3 months). On in-app purchases and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Killer Sudoku is free to download; Math Nexus costs $2.99 up front. Math Nexus sells 1 one-off in-app purchase and Killer Sudoku sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Math Nexus ships an update every 9 days, Killer Sudoku every 3 months. The most recent releases landed on October 25, 2026 and October 8, 2026 respectively.

Scorecard4 real differences ยท 2 level
Math Nexus versus Killer Sudoku: the parameters behind the verdict, then further details
ParameterMath NexusKiller Sudoku
Price$2.99Free โ€” better
Update frequencyEvery 9 days โ€” betterEvery 3 months
AdsNo โ€” betterYes
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad, iPod โ€” better
Requires iOS17.415.0 โ€” better
Further details โ€” not scored
Size8 MB131 MB
Age rating4+4+
DeveloperSergey MaluginSyGame

In-app purchases

1 purchases

Math Nexus

One-time1
  • Math Nexus 5x5$0.99
1 purchases

Killer Sudoku

One-time1
  • Remove Ads$9.99

Questions

Is Math Nexus free?
Math Nexus costs $2.99, and also offers in-app purchases.
Is Killer Sudoku free?
Killer Sudoku is free to download, with in-app purchases available.
Do Math Nexus or Killer Sudoku have ads?
Killer Sudoku shows ads; Math Nexus does not.
Which is updated more often, Math Nexus or Killer Sudoku?
Math Nexus ships an update every 9 days, and Killer Sudoku every 3 months. Most recently, Math Nexus was updated on October 25, 2026 and Killer Sudoku on October 8, 2026.

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