Pencilmark Sudoku vs Sudoku Clear

Pencilmark Sudoku is a focused Sudoku app for players who like solving with notes, patterns, and logic. Start with classic puzzles, use outer and inner pencil marks, select multiple cells at once, and work through hints that explain the next logical step. Beginner boards emphasize simple scanning and Schneider pairs, while practice puzzles help you sharpen specific techniques. Features: - Classic Sudoku puzzles by difficulty - Fast pencil-mark entry - Multi-select for marking related cells - Smart hints with step-by-step logic - Practice mode for solving techniques - Auto-checking and conflict highlights - Portrait and landscape layouts - Local progress and stats saved on device No accounts, ads, tracking, or daily streak pressure. Just Sudoku, notes, hints, and practice.

Sudoku Clear is a focused 9x9 Sudoku app built for readable solving. Fill each row, column and 3x3 box with the numbers 1-9. Start with Levels Play 4,381 numbered levels. Complete a level to unlock the next, replay completed levels, and return to your saved puzzle. Choose Free play Pick Easy, Medium or Hard outside the level sequence. Free play and Levels keep separate saved games on this device. Free play also records local solved counts and best times by difficulty. Tools for focused solving - Row, column, box and matching-number highlights - Pencil notes in fixed positions - Erase, Undo and Redo - Optional mistake highlighting and remaining-number counts - Optional hiding of completed number keys - Optional haptics and key sounds - A quick rules guide No account is required. Progress is saved on this device, without cloud sync. The app includes banner advertising, with no full-screen ads during puzzles. Advertising privacy options appear in Settings where available.