Sudoku Number Puzzle Challenge

Solve more Sudoku puzzles with less frustration. Maintain your streak, pick up exactly where you left off, and get straightforward guidance when you're stuck, not just vague suggestions.

FEATURES

Play a brand-new 9×9 Sudoku puzzle with one clear solution every time.
Choose your challenge from Easy, Medium, Hard, Expert, or Master on the New Puzzle screen.
Use Notes to pencil in potential numbers, then watch candidates disappear as you fill in the grid.
Long-press Notes to fill candidate numbers across the grid with Pro.
Switch between a number strip and a 3×3 grid number pad layout.
Spot mistakes instantly with Auto-check, or turn it off in the Settings when you prefer.
Keep track of errors with the mistake counter and undo moves whenever needed.
Pause your puzzle and return later to the same board, timer, notes, and hints.
Activate Coach Mode’s lightbulb for a simple two-sentence explanation of the next logical move.
Tap Show me the cell to jump directly to the right square while you place the number yourself.
Play today’s daily Sudoku, build your streak, and review puzzles from the last week.
Identify your weaker techniques in the fluency map, including Naked Single, Hidden Single, Naked Pair, Pointing Pair, and Hidden Pair.
Warm up with targeted practice from the weak-spot card at the right difficulty.
Add widgets to your Home Screen to see today’s daily puzzle, your streak, and quick Play or Review shortcuts.
Resume unfinished games straight from the Lock Screen or Live Activity.
Share your completed board as an image.

PERFECT FOR

Commuters who want a daily Sudoku that works offline and saves progress in the middle of a puzzle.
Players stuck on Hard puzzles who want coaching that explains the technique, not just reveals the answer.
Streak builders who value Today’s challenge, best streak records, grace days, and trustworthy solved badges.
Users who like checking a Home Screen widget, Lock Screen widget, or StandBy view before starting their day.
Relaxing puzzle players who want clear board highlights, Undo, Redo, Erase, and a number pad that never covers the grid.

WHY Sudoku Number Puzzle Challenge

This app supports Sudoku players by helping solve daily and freeplay puzzles with clearer instructions and reliable progress saving. Each puzzle is freshly generated, the daily challenge stays consistent for the date, and your board, streak, history, and skill progress can be synced privately when available. Coach Mode runs entirely on your device, keeping your game state, mistake history, and pencil notes secure and local.

PAID FEATURES