Sudoku All in One Pro

Over 10000 sudoku puzzles, smart input, one‑click solving and illustrated tutorials from beginner to expert level. Easily exercise your brain and improve logical and mathematical thinking. Challenge yourself anytime, anywhere.

6 difficulty levels: Kids, Easy, Standard, Hard, Expert, Extreme, covering all needs from beginners to masters.
‑ Massive puzzle library: 10000+ classic sudoku levels with ongoing updates, enjoy non‑repeating puzzle‑solving fun.
‑ Illustrated tutorials: cover core techniques including naked singles, hidden singles, pairs, chains and more. Learn while you play. Strongly recommended to master chain‑based reasoning with “Extreme Level 1”, the ultimate tool for cracking any sudoku puzzle.
‑ Clean ad‑free experience: no pop‑ups or distractions, stay fully focused on thinking.
‑ One‑click solve: automatically and quickly computes answers to get you out of stuck situations.
‑ Smart hints: freely toggle on or off, offering guidance for beginners and clean gameplay for experts.
‑ Smart input: automatically filters invalid numbers, every entry is accurate and efficient.
‑ Smart notes: jot down candidate numbers in any cell to aid deep thinking.
‑ Dual markers: confirmation markers and question marks make reasoning process fully clear.
‑ Colour markers: built for advanced players, easily handle complex solving methods such as AIC and ALS.
‑ One‑click operations: one‑click restart, one‑click clear, and full‑board clear while preserving notes for convenient control.
‑ Powerful undo: quickly revert wrong moves, test and correct without pressure.
‑ Smart reminder: double confirmation before deleting notes, preventing accidental loss of important records.
‑ Auto‑save: progress automatically saved on exit or level switch, seamless loading when you return.
‑ Smart adjustment: auto‑detects play and idle states, convenient operation plus battery‑saving.
‑ Eye‑care mode: app‑level eye‑protection toggle enabled by default, look after your eyes.
‑ Share function: ask for help on tough puzzles or share solving achievements, share easily with one click.
‑ Cross‑platform support: fully optimised for mobile and desktop, enjoy sudoku anywhere.
‑ Permission note: the base version unlocks all core features for an easy start. Pro version unlocks the full puzzle library and one‑click solve for advanced players.

Sudoku rules: fill empty cells with numbers 1‑9. Ensure no number repeats within each row, column and each 3×3 grid to complete the puzzle successfully.