Sudoku should feel like a satisfying conversation with logic—not a fight with the interface.
Sudoku Ember is a calm, private place to solve, learn, and steadily become better. Every puzzle is generated on your device and checked for a unique solution under its real rules.
LEARN THE MOVE, NOT JUST THE ANSWER
• A proof-based Coach explains the logic before revealing a digit
• Four free Academy foundations, plus six advanced Pro lessons
• Technique mastery connects lessons with your real puzzle results
• Five difficulty levels move from a gentle start to a focused challenge
SOLVE YOUR WAY
• Fresh Beginner, Easy, Medium, Hard, and Expert puzzles
• Classic, Diagonal, Killer, Thermo, and Arrow rules
• Cell-first or persistent digit-first input
• Smart candidates, notes, erase, undo, and matching highlights
• Replay any of the last 28 Daily Ember puzzles, share spoiler-free results, and optionally join the Game Center leaderboard
BRING ANY PUZZLE
Paste an 81-cell grid or scan a printed puzzle. Free players can import three puzzles each week; Pro removes the limit. Recognition and validation happen on device, with an editable review before play. Apple Pencil input and an adaptive layout make Sudoku Ember at home on iPad too.
PRIVATE AND CALM
No account, ads, or third-party analytics SDK. iCloud sync is off by default and can use your own Apple account when enabled; the full game works offline.
Beginner, Easy, Medium, Daily Ember, four Academy foundations, three weekly imports, basic history and System, Light and Dark themes are free without ads. Free players also receive three final Coach reveals each day, while undo is always unlimited.
Sudoku Ember Pro unlocks Hard and Expert, every non-Classic variant, six advanced lessons and their full Coach explanations, performance trends and sorting, unlimited imports and hints, plus Ember, Ocean and Forest palettes. Choose yearly with a 7-day trial for eligible new subscribers, or a one-time lifetime purchase.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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