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  • Ultimate Sudoku! screenshot 1
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About Ultimate Sudoku!

Transform your daily routine with Ultimate Sudoku — the ultimate brain training puzzle game combining classic Sudoku with cognitive fitness tracking. Whether you're new to number puzzles or a Sudoku master, Ultimate Sudoku delivers the perfect logic game experience with thousands of handcrafted puzzles, smart hints, and daily challenges. BRAIN TRAINING MEETS CLASSIC SUDOKU Ultimate Sudoku isn't just another puzzle app — it's your daily mind workout. Track cognitive performance with our Brain Health Score, build solving streaks, and watch logic skills improve. From casual brain games to expert number puzzles, Ultimate Sudoku adapts to your skill level. DAILY CHALLENGES & MORNING PUZZLES Start each day with a personalized morning puzzle calibrated to your skill. Complete daily Sudoku challenges to build streaks, earn achievements, and make brain training part of your ritual. Fresh number puzzles every day keep your mind sharp. FEATURES THOUSANDS OF CLASSIC SUDOKU PUZZLES • Handcrafted 9×9 number puzzles across all difficulty levels • Very Easy, Easy, Medium, Hard, and Expert Sudoku challenges • Every puzzle is fair, logical, and solvable • New daily challenges and morning puzzles added regularly SMART BRAIN TRAINING TOOLS • Intelligent hint system with strategic hints • Auto-check mistakes for instant feedback (toggle on/off) DAILY CHALLENGES & STREAKS • Fresh daily Sudoku puzzle every morning • Personalized morning puzzle ritual • Build solving streaks PROGRESS TRACKING & STATISTICS • Brain Health Score (0-100 cognitive fitness metric) • Detailed solving statistics and best times • Accuracy tracking and mistake analysis • Completion history across all difficulty levels • Streak counter and consistency tracking MULTIPLE DIFFICULTY LEVELS • Very Easy Sudoku: Perfect for learning number puzzle basics • Easy Sudoku: Build confidence with gentle logic games • Medium Sudoku: Balanced challenge for daily brain training • Hard Sudoku: Test advanced logic and pattern recognition • Expert Sudoku: Ultimate challenge for Sudoku masters CUSTOMIZABLE GAMEPLAY • Enable/disable duplicate highlighting • Show/hide timer for stress-free solving • Left and right-hand friendly controls BEAUTIFUL, FOCUSED DESIGN • Clean, minimalist Sudoku board • Intuitive controls • Distraction-free puzzle interface WHY CHOOSE ULTIMATE SUDOKU? FOR BEGINNERS: Learn classic Sudoku with helpful hints, auto-check mistakes, and progressive difficulty. Ultimate Sudoku teaches logic puzzle fundamentals while building confidence. FOR EXPERTS: Challenge yourself with expert Sudoku puzzles, timed solving, and brain training metrics. Track cognitive performance and compete against personal bests. FOR DAILY PLAYERS: Make Sudoku your daily brain training ritual. Morning puzzles, daily challenges, and streak tracking keep you motivated with the ultimate number puzzle habit. FOR BRAIN TRAINING ENTHUSIASTS: Ultimate Sudoku combines classic logic games with cognitive fitness tracking. Monitor your Brain Health Score and make measurable progress. PLAY YOUR WAY • Quick Sessions: Solve Easy Sudoku during breaks • Daily Ritual: Start mornings with brain training • Deep Focus: Tackle Expert Sudoku with advanced logic • Casual Play: Relax with classic number puzzles SUDOKU BENEFITS • Improves logical thinking and pattern recognition • Enhances concentration and focus • Boosts memory and cognitive function • Reduces stress through mindful puzzle solving Join thousands making Ultimate Sudoku their daily mind workout. Download today and discover why it's the ultimate logic game for brain fitness. Build your solving streak, track cognitive progress, and make Sudoku your favorite daily ritual. Perfect for fans of: Sudoku, Ultimate Sudoku, number puzzles, logic games, brain training, mind games, classic Sudoku, puzzle games, daily challenges, cognitive fitness, brain teasers. Download Ultimate Sudoku for Free — Your daily brain training starts today!

What’s new

Version 1.2 · Updated September 24, 2026

Performance Improvements.

Play today's Sudoku puzzle

A quick 6×6 Sudoku every day; levels grow to the classic 9×9. A free daily puzzle from Fiplay, same board for everyone. It plays right here, no download.

More Sudoku and other daily puzzles on Fiplay →

App privacy

The developer, Okuta Labs, LLC, reported these privacy practices to Apple.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Usage Data: Product Interaction

Data Linked to You

The following data, which may be collected and linked to your identity, may be used for the following purposes:

  • Identifiers: Device ID, User ID
  • Usage Data: Advertising Data
  • Contact Info: Email Address, Name

Used for: Third-Party Advertising, Developer’s Advertising or Marketing, Analytics, Product Personalization, App Functionality

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Usage Data: Product Interaction
  • Diagnostics: Crash Data, Performance Data, Other Diagnostic Data

Used for: Analytics, App Functionality

Alternatives to Ultimate Sudoku!

Looking for apps like Ultimate Sudoku!? Here are 6 similar apps on the App Store. The highest rated is Classic Sudoku: Ad-Free (5.0/5), and all 6 are free to download.

Ultimate Sudoku! vs. alternatives
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Ultimate Sudoku! – Free September 24, 2026
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