Binairo vs Binairo

Binairo is a clean binary puzzle and 0-1 logic game for quick daily brain training. Fill the grid with zeros and ones, keep each row and column balanced, avoid triples, and solve by deduction instead of guessing. Play the daily challenge, continue through curated levels, use undo and hints when needed, and compare your times on Game Center leaderboards. The interface is calm, fast, and built with VoiceOver support for accessible play. Start with the free puzzles, then unlock the full premium library when you want more handcrafted binary grids.

Fill the grid with 0s and 1s. Just three simple rules. Binairo — also known as Takuzu or Binary Puzzle — is pure logic: no luck, no math. And when you get stuck, the hint tells you why a cell is decided, not just what goes there. A calm, Japanese-inspired design makes a few minutes a day feel like a quiet reset. ◆ THREE THINGS TO KNOW • Free to start, no subscription (one-time purchase only) • No third-party ads (only promotions for our own other apps) • Your records stay on your device (no account, nothing uploaded) ■ HOW TO PLAY Put a 0 or a 1 in every cell, following three rules: • Never three of the same number in a row or column • Each row and column has equal 0s and 1s • No two rows and no two columns are identical ■ FEATURES • Every puzzle has exactly one solution (checked in-app before it's shown) • Four levels: Easy 6x6, Medium 8x8, Hard 10x10, Expert 12x12 • Daily puzzle: everyone plays the same one, with streaks and a calendar • Two styles: numbers (0/1) or two-color stones • Mistake highlighting, remaining counts, undo, and clear all • Explained hints that tell you the rule behind each move • Stats for solves, best times, and no-hint rate, plus 10 badges • Japanese-inspired board themes • A short, hands-on tutorial for first-timers ■ GREAT FOR YOU IF… • You love Sudoku and want a fresh logic puzzle • You prefer clean deduction over guessing • You want to learn the reasoning, not just get the answer • You want a calm mental break on the commute or before bed • You enjoy apps with a quiet, minimal look ■ PRIVACY • No account or sign-up • Puzzles are generated on your device, and you can play offline • Your records stay on your device and are never uploaded • No data collection • To show our other apps, Binairo loads public App Store info (names and icons)