Sudoku vs CrispSudoku

Play six different Sudoku variations in a single app! Start with classic Sudoku grids and advance to Diagonal Sudoku, Irregular Sudoku and OddEven Sudoku - each with a different look and a unique twist of brain challenging logic. Huge brain-bashing Mega Sudoku puzzles, also known as Monster Sudoku, are offered for iPad only. With its diverse variations and straightforward no-frills game design, Conceptis Sudoku brings a new dimension to Sudoku mobile gaming - on both iPad and iPhone. To help see the puzzle progress, graphic previews in the puzzle list show the progress of all puzzles in a volume as they are being solved. A Gallery view option provides these previews in a larger format. For more fun, Sudoku contains no ads and includes a Weekly Bonus section providing an extra free puzzle each week. PUZZLE FEATURES • 160 free Classic Sudoku and Sudoku variant puzzles • Variants include Mini, Diagonal, Irregular, OddEven and Mega • Extra bonus puzzle published free each week • Multiple difficulty levels from very easy to extremely hard • Grid sizes up to 16x16 • Puzzle library continuously updates with new content • Manually selected, top quality puzzles • Unique solution for each puzzle • Hours of intellectual challenge and fun • Sharpens logic and improves cognitive skills GAMING FEATURES • No ads • Unlimited check puzzle • Unlimited hints • Show conflicts during gameplay • Unlimited Undo and Redo • Pencilmarks feature for solving hard puzzles • Autofill pencilmarks mode • Highlight Excluded Squares option • Lock number on keypad option • Concurrently playing and saving multiple puzzles • Puzzle filtering, sorting and archiving options • Dark Mode support • Graphic previews showing puzzles progress as they are being solved • Portrait and landscape screen support (iPad only) • Track puzzle solving times • Backup & restore puzzle progress to iCloud ABOUT Conceptis Sudoku variations have also become popular under other names such as Sudoku by Dave Green, Sudoku 12x12, Sudoku 16x16, Jigsaw Sudoku, Nonomino Sudoku, Squiggly Sudoku, Sudoku X and many more. All puzzles in this app are produced by Conceptis Ltd. - the leading supplier of logic puzzles to printed and electronic gaming media all over the world. On average, more than 20 million Conceptis puzzles are solved each day in newspapers, magazines, books and online as well as on smartphones and tablets across the world. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.conceptispuzzles.com/index.aspx?uri=info/doc/220

CrispSudoku is a polished, ad-free Sudoku game with real depth — five rule variants, six grid sizes, and a built-in tutor that explains how to solve every board. PLAY YOUR WAY • Five variants: Classic, Jigsaw (irregular regions), Sudoku-X (diagonals), Killer (summed cages) and Thermo (digits climb along each thermometer) • Six grid sizes: 4×4, 6×6, 8×8, 9×9, 10×10 and 12×12 • Four difficulties, from Easy to Expert • A new Daily Challenge every day — the same board for everyone LEARN AS YOU PLAY • "Explain the solve" walks through any board step by step, naming each technique (naked singles, hidden singles, locked candidates, X-wing and more) • "Next logical step" hints tell you what to play next, and why • Every puzzle gets an honest difficulty rating based on the hardest technique it actually requires THOUGHTFUL TOUCHES • Pencil-mark notes, unlimited undo, and live conflict highlighting • A mistake limit that scales with difficulty • Per-difficulty hint budgets, so hints stay meaningful • Beautiful themes you unlock as you play • Achievements, streaks and detailed statistics PRIVATE BY DESIGN • 100% offline — no account, no ads, no tracking, no data collection • Every puzzle is guaranteed to have exactly one solution CrispSudoku is free software, open source under the GNU AGPL-3.0.