Sharp Sudoku vs Stay Sharp

One of the best-known ways to keep your mind sharp and smart is to play Sudoku. It keeps your brain active and helps you stay focused. It improves your memory, concentration, logical thinking and keeps you fresh and alert.

Stay Sharp is a daily workout for your mind — eight handcrafted brain games, refreshed every single day, all in one beautifully simple app. Wake up to four fresh daily puzzles. Train any time with four endless games that get harder as you get sharper. No accounts. No ads. No distractions. Just you and the next move. — DAILY CHALLENGES — A new set of four puzzles drops every day at midnight: - LETTERGRAM Guess the 5-letter word in 6 tries. Green tiles mean right letter, right spot. Yellow means right letter, wrong spot. Built for word lovers. - HANGMAN Crack the hidden word before the figure is complete. Built-in hints when you're stuck. - WORD SEARCH Slide your finger across the grid to find every hidden word. Diagonals and reversed words are fair game. - ANAGRAMS Make smaller words from one source word in three minutes. The longer the word, the bigger the score. — UNLIMITED PLAY — Four games you can drop into any time, with progressive difficulty. Beat a level and the next one unlocks — but every level you've already mastered stays available. Come back tomorrow, next week, or in a month and pick exactly the difficulty that feels right. - COLOR MATCH A Stroop-test classic. Does the COLOR of the word match what the word SAYS? Three seconds per round. Faster than your brain wants to be. - SLIDE PUZZLE The timeless 8-puzzle and 15-puzzle. Drag tiles into order. Each level adds more shuffles. - MINESWEEPER Reveal every safe cell without hitting a mine. Long-press to flag. Boards get bigger and meaner as you climb. - PAIR UP Card matching with a timer. Flip two cards, find the pair, beat the clock. More cards every level. — WHY STAY SHARP? — - No ads. Ever. - No accounts. Nothing to sign up for. - No internet required. - All progress saved on your device. - Jump to any unlocked difficulty whenever you want. - Tiny download. Lightning-fast launch. - Works beautifully on iPhone and iPad. Built for the five-minute coffee break, the morning commute, the quiet moment before bed — whenever your brain wants something better than scrolling. Stay sharp.