Sudoku - Daily Logic Puzzle

Classic Sudoku is a number puzzle you can play fully offline, with no ads. A new Daily Challenge each day, four levels from Easy to Expert, plus notes and hints when you want them. Play on your commute or unwind in a quiet moment. Choose your difficulty and enjoy a satisfying logic challenge. FEATURES • Four difficulties: Easy, Medium, Hard, and Expert • Daily Challenge: a new puzzle each day, with a completion streak • Smart tools: auto error check, highlight matching numbers, notes, auto-fill candidates, undo, erase, and a timer • Quick tutorial: learn rows, columns, and boxes in about 30 seconds • Sudoku Academy: free basic lessons, shown step by step on the board • Calm visuals: a minimal board with light and dark themes; follow system appearance; completed digits are dimmed on the keypad • Play offline: puzzles are stored on your device; no ads during play • Auto-save and resume anytime; stats for games completed, best time, average time, and streaks • iPhone and iPad HOW TO PLAY Fill the empty cells of the 9×9 grid with the digits 1–9. Each row, each column, and each 3×3 box must contain every digit once. Some cells are already filled. Those clues stay in place. Complete the rest with logic, not arithmetic. A placement is wrong if the same digit appears twice in a row, a column, or a 3×3 box. Every standard puzzle has a unique solution. FREE TO PLAY Classic Sudoku, Daily Challenge, notes, timer, and stats are free. Basic Sudoku Academy lessons are free. Free users get 3 hints per day (as shown in the app). PREMIUM Upgrade to Premium for: • Unlimited hints whenever you need help • Sudoku Academy: intermediate and advanced technique lessons • Premium board themes, including Mint Green, Pure Black, Retro Amber, Vibrant Orange, and Glacier Blue Available plans (pricing and any free trial are shown in the app and on the App Store): • Monthly Premium: auto-renewable subscription • Yearly Premium: auto-renewable subscription (a free trial may be offered) • Lifetime Premium: one-time purchase, no recurring payment Subscription terms: • Payment is charged to your Apple ID account at confirmation of purchase • Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period • Your account will be charged for renewal within 24 hours prior to the end of the current period • Manage or cancel in Settings → Apple ID → Subscriptions • Any unused portion of a free trial may be forfeited when you purchase a subscription • For refunds and billing, contact Apple Support Download and start your daily Sudoku challenge. LEGAL • Privacy Policy: https://iorangepie.com/sudoku/privacy-policy.html • Terms of Service: https://iorangepie.com/sudoku/terms-of-service.html • Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ By using this app, you agree to the above terms.