Sudoku Razonado

A new Sudoku every time. Never the same one twice. Puzzles don't come from a list that runs out: they're generated on your device the moment you start playing. Each one comes from a different seed, and the app keeps track of the ones you've already played, so it will never repeat a board on you. HINTS THAT TEACH, NOT HINTS THAT SOLVE When you get stuck, most apps just uncover the number. This one explains the reasoning in three steps: first where to look, then which technique applies, and only at the end the answer. If a nudge was all you needed, the puzzle isn't spoiled. THREE LEVELS THAT MEAN SOMETHING Difficulty isn't measured by how many cells start filled in — that's misleading — but by the reasoning a puzzle demands: • Easy: single candidates • Medium: pairs, triples and pointing pairs • Hard: X-Wing, XY-Wing and Swordfish ALWAYS EXACTLY ONE SOLUTION Every puzzle is checked before it reaches you: it has a single solution and can be solved by reasoning. You'll never have to guess or try your luck. DAILY CHALLENGE A new puzzle each day, the same one for everybody, with a streak to make it worth keeping. ALSO • Pencil notes, unlimited undo and redo • Configurable mistake warnings: immediate, duplicates only, or off • Automatic saving: close whenever you like and pick up where you left off • Statistics per level: best time, average and games completed • Spanish and English • iPhone and iPad NOTHING IN THE WAY No ads. No accounts. No subscriptions. No internet connection. The app collects no data at all: everything it saves stays on your device.