GridMint Sudoku is a portrait-first number puzzle app built for fast touch input, calmer board reading, and cleaner daily play. It keeps the focus on the puzzle with four difficulty levels, one daily challenge, saved drafts, completion history, audio feedback, and simple settings that stay out of the way.
Designed for Android phones, the interface uses stronger spacing, clearer hierarchy, and a more tactile board so the experience feels polished without adding unnecessary clutter.