Sudoku: Pure Edition

Your progress now follows you everywhere. iCloud sync keeps streaks, badges, and puzzles in step across iPhone and iPad. Still no ads, no subscriptions.

Sudoku Pure Edition is the last Sudoku app you'll ever need.

500 hand-crafted puzzles across 5 difficulty levels - Easy, Medium, Hard, Expert, and Extreme. Built for beginners who want to learn and veterans who want to be challenged. No filler. No ads. No subscription. Ever.

THE PROGRESSION SYSTEM

Most Sudoku apps end when the puzzle does. Ours is just getting started.

Earn up to 250 badges across 10 categories - Milestone, Difficulty, Perfection, Speed, Streak, Mastery, Daily, Technique, Dedication, and hidden surprises. Early badges come quickly. The rarest ones will take months to earn.

Complete all 500 puzzles to reach Mastery Level 1, unlocking a brand new set of 500 puzzles. Your records and history carry forward. The journey never ends.

BADGES THAT LIVE IN THE REAL WORLD

Play on Earth Day and earn the Earth Day badge. Play on World Lion Day and earn the Pride of Solvers badge. Complete a puzzle on your birthday and earn a personal birthday badge repeated every year with a number marking how many times you've earned it.

Over 67 personal and holiday badges refresh annually. There's almost always something to play for.

BUILT FOR SERIOUS PLAYERS

• Deep Analytics skill ratings for Speed, Accuracy, Logic and Advanced technique
• Time Heat Map and Accuracy Trend charts that track your improvement over time
• Road to Mastery progress tracker across all 5 difficulty levels
• 21 tutorials and a full Strategy Library covering beginner to advanced techniques
• Smart hint system that explains the solving technique, not just the answer
• Time Challenge mode with adaptive countdowns and Succession Streaks
• Auto-fill pencil marks, smart note clearing, and auto-complete

DAILY CHALLENGE

A fresh puzzle every day. A streak to protect. A Shield to save you when life gets in the way. Miss a day? Your Shield has you covered once a month.

SUDOKU PURE EXPERIENCE

• Free to download - no subscriptions, no ads, no tricks
• Free tier includes 40 puzzles, Daily Challenges, and your first 5 badges
• 10 grid themes including full dark mode
• Haptics, sound effects, colour blind mode, and number font choices
• Saves your game automatically - pick up exactly where you left off
• Optimised for iPhone and iPad

SUDOKU PLUS EDITION IN APP PURCHASE

Unlock the full experience with a single, one-time In-App Purchase. All 500 puzzles. All 250 badges. Deep analytics. Infinite Mastery replayability. Free updates forever.

No subscription. No ads. No regrets.