Best Free Sudoku App

250+ iOS apps & games curated and reviewed

4.6 avg rating
20 free apps & games
Updated September 2026

If you already know Sudoku ∙ Classic Sudoku Games, this is the deeper bench. 250+ free sudoku app for iPhone, all reviewed and ranked by user rating, recency, and download trend as of September 2026.

Compare top Free Sudoku App (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Sudoku ∙ Classic Sudoku GamesSudoku ∙ Classic Sudoku GamesFree4.7★ (23K)YesYesSep 2026
2▻Sudoku - Classic Brain Game▻Sudoku - Classic Brain GameFree4.8★ (661K)YesYesSep 2026
3Sudoku.com - Number GamesSudoku.com - Number GamesFree4.8★ (1.8M)YesYesSep 2026
4Sudoku - Classic Sudoku GamesSudoku - Classic Sudoku GamesFree4.8★ (21K)YesNoSep 2026
5Killer Sudoku by Sudoku.comKiller Sudoku by Sudoku.comFree4.7★ (217K)YesYesSep 2026
6Sudoku ▦Sudoku ▦Free4.7★ (104K)YesNoSep 2026
7⋆Sudoku⋆SudokuFree4.7★ (161K)YesYesSep 2026
8Sudoku· Classic Puzzle GamesSudoku· Classic Puzzle GamesFree4.7★ (64K)YesYesSep 2026

Top Picks for Free Sudoku App

Sudoku ∙ Classic Sudoku Games#1

Sudoku ∙ Classic Sudoku Games by nerByte GmbH

Brain Training - Logic Sudoku
Editor's Choice
🎮 Games
4.7😊(23K ratings)
FreeAdsIn-App Purchases
Sudoku ∙ Classic Sudoku Games screenshot 1
Sudoku ∙ Classic Sudoku Games screenshot 2
Sudoku ∙ Classic Sudoku Games screenshot 3
Sudoku ∙ Classic Sudoku Games screenshot 4
Sudoku ∙ Classic Sudoku Games screenshot 5
Sudoku ∙ Classic Sudoku Games screenshot 6

Engage your mind with a classic Sudoku puzzle game offering thousands of challenges for all skill levels. Enjoy a user-friendly interface, daily brain training, and helpful hints to master even the most difficult grids. Play offline and track your progress with detailed statistics.

What We Love

  • 👍 Smooth gameplay
  • 🚀 Quick ads that don't disrupt gameplay
  • 💡 Helpful hints and strategy tutorials
  • 👍 Customizable settings and themes
  • 👍 Tracks statistics and progress

Room to Improve

  • 🐛 Occasional freezing/crashing issues
  • 📢 Frequent ad interruptions
  • 🔍 Hint button doesn't always work as expected
▻Sudoku - Classic Brain Game#2

▻Sudoku - Classic Brain Game by PeopleFun CG, LLC

Logic puzzles & Mind games
Strong Contender
🎮 Games
4.8😊(661K ratings)
FreeAdsIn-App Purchases
▻Sudoku - Classic Brain Game screenshot 1
▻Sudoku - Classic Brain Game screenshot 2
▻Sudoku - Classic Brain Game screenshot 3
▻Sudoku - Classic Brain Game screenshot 4
▻Sudoku - Classic Brain Game screenshot 5
▻Sudoku - Classic Brain Game screenshot 6

Experience Sudoku with a unique point system, track your progress with runs, and compete globally on leaderboards. Enjoy thousands of free puzzles with adjustable difficulty and customizable looks.

What We Love

  • 👍 Enjoyable game
  • 🚀 Challenging levels
  • 📊 Tracks progress and scores
  • 💡 Highlighting and note-taking features
  • 🧠 Keeps the mind active

Room to Improve

  • 🔍 Inconsistent scoring system
  • 🔧 Overlapping buttons/controls
  • 🔊 Annoying audio effects
  • 📽️ Intrusive and repetitive ads
  • 🐛 Occasional bugs and glitches
Sudoku.com - Number Games#3

Sudoku.com - Number Games by Easybrain Ltd

Logic puzzles and mind games
Worth Considering
🎮 Games
4.8😐(1.8M ratings)
FreeAdsIn-App Purchases
#6in Games
Sudoku.com - Number Games screenshot 1
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Sudoku.com - Number Games screenshot 3
Sudoku.com - Number Games screenshot 4
Sudoku.com - Number Games screenshot 5
Sudoku.com - Number Games screenshot 6

Engage your mind with a classic number puzzle game. Offers thousands of puzzles for all skill levels, from beginner to expert. Features tools like hints and auto-check to aid your gameplay and track your progress.

What We Love

  • 🚀 Smooth gameplay
  • 👍 Customizable settings
  • 💡 Helpful hints and strategies
  • 🎨 Appealing visual design
  • ⏱️ Tracking of stats and progress

Room to Improve

  • 🔍 Cluttered UI with too many ads
  • 🔋 High battery drain
  • 🐛 Bugs causing crashes and freezes
  • 🤔 Difficulty levels not challenging enough

More Free Sudoku App apps to explore

FAQ about Free Sudoku App

What is the best free sudoku app for iPhone?
Sudoku ∙ Classic Sudoku Games tops our free sudoku app ranking as of September 2026, with a 4.7-star average from 23K App Store ratings, and it's free to download.
Sudoku ∙ Classic Sudoku Games shows ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 250+ free sudoku app on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app offers the classic Sudoku puzzle game with thousands of free puzzles designed for brain training. It caters to all skill levels, from beginners to experts, and provides a fun and engaging way to challenge your logic and problem-solving abilities.
Key features include thousands of puzzles across multiple difficulty levels, daily challenges, a note-taking system with automatic error correction, explanatory hints with step-by-step instructions, number highlighting, and extensive statistics to track your progress. It also offers customizable color themes and display zoom.