Added a lifetime Premium plan. Pay once and keep using Premium with no auto-renewal. Improved the plan selection screen in all supported languages.

Trial entries now make the starting cell and conflicts easier to see. Improved candidate-note hints and hint usage counting. Play completed puzzles as new games while keeping past records. Drag action buttons to reorder them in Play Settings. Improved navigation, difficulty guidance and readability.

We now measure displayed target times and actual solve times to improve future estimates.

450 new puzzles: 100 each for Beginner, Intermediate and Advanced, plus 150 in the new Expert category. Check estimated difficulty and target time before playing, including puzzles you enter yourself. View techniques used in the puzzle and read their explanations. Added a countdown to the weekly puzzle and improved the interface and stability. Fixed weekly ranking uploads and rank refresh, including saved-score retries. Replay buttons now match your theme.

Replay and play effects have received a major upgrade. Review your solve move by move and share it as a video. Also new: Arcade effects, cell and completion effects, original sound packs, in-app sound volume, and digit appearance options.

Replay and play effects have received a major upgrade. Review your solve move by move and share it as a video. Also new: Arcade effects, cell and completion effects, original sound packs, in-app sound volume, and digit appearance options.

Replay and play effects have received a major upgrade. Review your solve move by move and share it as a video. Also new: Arcade effects, cell and completion effects, original sound packs, in-app sound volume, and digit appearance options.

Replay and play effects have received a major upgrade. Review your solve move by move and share it as a video. Also new: Arcade effects, cell and completion effects, original sound packs, in-app sound volume, and digit appearance options.

Replay and play effects have received a major upgrade. Review your solve move by move and share it as a video. Also new: Arcade effects, cell and completion effects, original sound packs, in-app sound volume, and digit appearance options.

We improved result sharing for the Weekly Challenge. You can now share a result image from a completed puzzle, including your latest official rank at the time of sharing. Technique Practice now includes 100 puzzles per technique and saves your progress so you can continue later. We also improved first-launch stability and made minor fixes.

We improved result sharing for the Weekly Challenge. You can now share a result image from a completed puzzle, including your latest official rank at the time of sharing. We also improved first-launch stability and made minor fixes.

Weekly Challenge is now even more rewarding! The new Records tab shows your solve-time and rank trends, distributions, and podium finishes. Choose an earlier week to revisit its leaderboard and puzzle, then play it again. After clearing it, you can see your local time and an unofficial rank comparison. We also improved Premium screen clarity and app stability. We also made minor fixes.

Weekly Challenge is now even more rewarding! The new Records tab shows your solve-time and rank trends, distributions, and podium finishes. Choose an earlier week to revisit its leaderboard and puzzle, then play it again. After clearing it, you can see your local time and an unofficial rank comparison. We also improved Premium screen clarity and app stability.

Added Fullscreen Mode. One button shows the Sudoku board larger. In fullscreen you can still use Hint and Check Answer from the icons, along with mode switching and Hide Notes.

Added Play Settings, allowing you to change how candidate notes are handled, how mistakes are indicated, and which cells are highlighted. We refreshed the onboarding guide and improved the display of mistakes and duplicate numbers.

Technique Practice helps you learn 12 solving techniques with practical puzzles and detailed explanations. The Stats screen now includes charts and makes it easier to track your progress by Easy, Medium, and Hard. We also improved the puzzle list and several screen layouts.

New: Technique Practice. Train 12 Sudoku-solving techniques with practical next-move puzzles, technique-specific and mixed sessions, step-by-step hints, and detailed explanations.

New: Today's puzzle is now the Weekly Puzzle. The same beginner-to-intermediate Sudoku stays available for a full week, so more players can join and compete on the leaderboard. Sudoku Guide and hint explanations are also better localized. Added W-Wing. Expanded the hint features.

New: Today's puzzle is now the Weekly Puzzle. The same beginner-to-intermediate Sudoku stays available for a full week, so more players can join and compete on the leaderboard. Sudoku Guide and hint explanations are also better localized.

New: Daily Challenge. Play a fresh Sudoku every day, climb the leaderboard, and enjoy smoother hint and scan flows.

New: Daily Challenge. Play a fresh Sudoku every day, climb the leaderboard, and enjoy smoother hint and scan flows.

Minor improvements were made.

Enjoy Sudoku with our helpful hints! Significantly added puzzles to a total of 300! Now you can track your time and hint usage!

Enjoy Sudoku with our helpful hints! Significantly added puzzles to a total of 300! Now you can track your time and hint usage!

First release! Enjoy Sudoku with our helpful hints! Added a guide page for Sudoku rules and techniques! Improved OCR!