SudoPalace: Sudoku No Ads

Enjoy classic Sudoku without ads on iPhone and iPad. Take on a daily puzzle, progress through 500 levels, and learn solving techniques as you play. Available in 28 interface languages: Simplified Chinese, Traditional Chinese, English, French, German, Arabic, Russian, Japanese, Korean, Spanish, Portuguese (Brazil), Thai, Indonesian, Vietnamese, Malay, Italian, Turkish, Dutch, Polish, Ukrainian, Swedish, Greek, Czech, Hungarian, Romanian, Danish, Finnish, and Norwegian Bokmål. Follow your system language or choose a language in Settings. CLASSIC SUDOKU Fill the 9x9 grid so that every row, column, and 3x3 box contains the digits 1–9 without repetition. Every puzzle has a unique solution, ready for you to uncover through logic. 500 LEVELS, FIVE DIFFICULTY TIERS Choose from Easy, Medium, Hard, Expert, and Master. Progress through 100 levels in each tier, from basic elimination to more advanced reasoning. DAILY CHALLENGE Solve a new puzzle each day and track your streak. Daily Challenge difficulty is chosen from the tiers you have reached, giving you a reason to keep practicing. THREE-STAR GOALS Aim for three stars by finishing within the target time with at most two mistakes, without using Hint or Fill Cell. Review your best time, win rate, and three-star completions in your statistics. TECHNIQUE TUTORIALS Learn through 11 courses with step-by-step demonstrations and interactive practice. Explore singles, locked candidates, pairs, triples, X-Wing, XY-Wing, and forcing chains, then apply what you have learned in the puzzles. HELPFUL SOLVING TOOLS • Use Notes to keep track of candidates. • Use Hint to find and explain the next step. • Undo your previous move, and use Auto-Remove Notes to clear matching candidates from the same row, column, and box after entering a correct digit. • Highlight matching digits and the selected row, column, and box to make the grid easier to follow. PLAY AT YOUR PACE Solve offline, pause whenever you need a break, and resume your saved progress. Choose light or dark mode for a comfortable view of the board. Privacy Policy: https://michaelsilvester.github.io/journal/sudopalace-privacy-policy/?lang=en Terms of Use: https://michaelsilvester.github.io/journal/sudopalace-terms-of-use/?lang=en