Comparison

Sudoku vs Sudoku Infinity

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

Head to head
About

Sudoku

Features
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Why You’ll Love Sudoku: 1. Improves Memory & Cognitive Skills: Enhances mental clarity and focus, enhances your attention to detail, and short-term memory 2. Relaxing & Fun: A delightful pastime for people seeking mental stimulation 3. Friendly Design: Designed with a user-friendly interface, perfect for all players 4. A Social Activity: challenge your friends or play with family members Game Features: • 4 Difficulty Levels: Choose your level, from Easy to Expert, and progress at your own pace. • Offline Play: Play anywhere, anytime – no internet connection required. • Unlimited Mistakes: Take your time and make as many mistakes as you need. • Hints: Get helpful suggestions to guide you through challenging puzzles. • Notes: Keep track of possible numbers in each cell to make solving easier. • Achievements: Track your progress and earn rewards for your accomplishments. • Hundreds of Puzzles: Enjoy a variety of puzzles that will challenge and engage you. • Undo Move: Mistakes happen – undo any move and keep going. • Auto Save: Never lose your progress – the game automatically saves your session. • Statistics: Monitor your performance and celebrate milestones. • Night Mode: Play comfortably at night with a relaxing dark theme. How to play Classic Sudoku: 1. Grid Structure: Sudoku is played on a 9x9 grid, subdivided into nine smaller 3x3 grids (blocks). Each Sudoku game board has several cells that are already filled. The more cells are initially filled, the easier the game is. The fewer cells are initially filled, the harder the game is. 2. Objective: Fill the entire grid with digits from 1 to 9. 3. Number Placement: • Each row must contain each digit exactly once. • Each column must contain each digit exactly once. • Each 3x3 block must contain each digit exactly once. 4. No Guessing: Each puzzle has a logical solution that can be reached without guessing. So, download Sudoku today and experience the benefits of a game that sharpens your mind, improves memory, and provides hours of fun!

About

Sudoku Infinity

Features
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Master the art of sudoku like never before. Sudoku Infinity goes far beyond classic puzzles -- with 8 unique variants and real-time PvP multiplayer, every session brings a fresh challenge. Whether you're a seasoned solver or just getting started, this is the sudoku app you've been waiting for. ◆ 8 SUDOKU VARIANTS ◆ Not just another classic sudoku app. Push your logic to the limit with: • Classic Sudoku -- The timeless original. Pure logic, pure satisfaction. • Killer Sudoku -- Cages with sum clues replace traditional givens. Math meets logic in the most addictive way. • Greater Than Sudoku -- Inequality signs between cells guide your deductions. Every comparison is a clue. • Odd/Even Sudoku -- Shaded cells reveal whether numbers are odd or even, adding a whole new layer of strategy. • Anti-Knight Sudoku -- No two identical numbers a knight's move apart. Chess logic meets sudoku brilliance. • X-Sudoku -- Both main diagonals must also contain 1-9. A simple twist that changes everything. • XV Sudoku -- Roman numeral clues mark pairs that sum to 5 or 10. Elegant and deeply satisfying. • Consecutive Sudoku -- Bars between adjacent cells mean the numbers differ by exactly 1. No bar? Not consecutive. A subtle constraint that transforms every placement. Each variant features carefully crafted puzzles across multiple difficulty levels, from beginner-friendly to brutally hard. ◆ REAL-TIME PvP MULTIPLAYER ◆ Think you're fast? Prove it. Sudoku Infinity is one of the only sudoku apps with live head-to-head competition: Online Matchmaking -- Jump into ranked matches and compete against players worldwide. Same puzzle, same clock, one winner. Friend PvP -- Create a private room and invite a friend for a direct showdown. Both players need the app installed -- then it's game on. Race to solve the same puzzle in real time. Watch your opponent's progress. Feel the pressure. Claim victory. ◆ WHY PLAYERS LOVE IT ◆ • Endless variety -- 8 variants means you'll never run out of new challenges • Compete anywhere -- PvP works online with friends or strangers • Clean design -- Distraction-free interface built for focused solving • All skill levels -- From casual to expert, every puzzle is beatable • Fresh puzzles -- A deep library that keeps growing ◆ WHO IS THIS FOR? ◆ → Sudoku fans who've mastered classic and crave something new → Competitive minds who want to test their speed against real opponents → Friends looking for a fun, brain-teasing way to play together → Puzzle lovers exploring variants like Killer, Anti-Knight, and X-Sudoku for the first time Ready to go beyond ordinary sudoku? Download Sudoku Infinity and discover how deep the puzzle goes.

Screenshots

Sudoku4 screens
Sudoku Infinity4 screens

Verdict

The call

The clearest difference is iOS requirement: Sudoku Infinity at 12.0 against Sudoku's 15.3. On price, update cadence, ads and in-app purchases 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.

UpkeepUpdate frequency

Sudoku ships an update every 5 days, Sudoku Infinity every 4 days. The most recent releases landed on October 22, 2026 and October 9, 2026 respectively.

Scorecard1 real difference · 5 level
Sudoku versus Sudoku Infinity: the parameters behind the verdict, then further details
ParameterSudokuSudoku Infinity
PriceFreeFree
Update frequencyEvery 5 daysEvery 4 days — better
AdsYesYes
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.312.0 — better
Further details — not scored
Size46 MB77 MB
Age rating4+4+
DeveloperAleksei Samsonovå¿—è¾¾ èµµ

In-app purchases

None

Sudoku

No in-app purchases

None

Sudoku Infinity

No in-app purchases

Questions

Is Sudoku free?
Sudoku is free to download, with no in-app purchases.
Is Sudoku Infinity free?
Sudoku Infinity is free to download, with no in-app purchases.
Do Sudoku or Sudoku Infinity have ads?
Both Sudoku and Sudoku Infinity show ads.
Which is updated more often, Sudoku or Sudoku Infinity?
Sudoku ships an update every 5 days, and Sudoku Infinity every 4 days. Most recently, Sudoku was updated on October 22, 2026 and Sudoku Infinity on October 9, 2026.

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