Pencilmark Sudoku vs Shapezzle

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.

Shapezzle is a clean shape logic puzzle where every clue helps you fill the grid. Place rectangles and squares on the board. Each shape must fit its clue, cover the right number of cells, and leave no gaps or overlaps. Every level is solved with logic — no guessing required. HOW TO PLAY • Fill the whole grid with shapes • Each clue belongs to one shape • Numbers show the shape size • Icons show whether the shape is square, tall, wide, or unknown • Shapes cannot overlap • No empty cells can remain WHY YOU’LL LIKE SHAPEZZLE • Simple rules, satisfying logic • Relaxing grid puzzles for quick sessions • Smart shape clues: square, tall, wide, or unknown • Clean design with no clutter • Great for fans of Shikaku-style puzzles, rectangle puzzles, brain teasers, and spatial logic games Shapezzle starts easy, then grows into a deeper logic challenge. Look at the clues, find the hidden shapes, and complete the grid one perfect piece at a time.