Futoshiki Sky

A quiet puzzle book, written in your own hand. Futoshiki Sky brings number logic to iPad and Apple Pencil. Fill each row and column without repeating a number, and follow the greater-than and less-than signs between cells. A guided first page teaches you the rules as you write. YOUR HANDWRITING STAYS YOURS Write answers, add small candidate notes, erase and change your mind. Your original Pencil strokes stay on the page. Prefer touch? Tap a cell and enter numbers with the same calm, uncluttered board. A PAGE FOR EVERY DAY Return for a Daily Challenge beneath a Moon that follows the date. Revisit earlier days and keep your finished pages in your own local book. FOLLOW THE STARS Solve carefully authored puzzles to reveal twelve constellations, one star at a time. Reopen completed pages and see the handwriting that brought you there. MAKE ROOM TO THINK Ask for one hint per puzzle when you need a hand. There are no ads, leaderboards or timers pushing you along. Handwriting recognition, puzzle generation and your saved pages stay on your iPad. START FREE, KEEP THE FULL BOOK Daily Challenges and the first six constellations are free. One optional lifetime purchase unlocks six more constellations and unlimited Free Play, with your choice of puzzle size and difficulty. No subscription and no app account. Designed for iPadOS 18 or later. Apple Pencil is optional; touch entry is included. Privacy: https://muratcagangogebakan.github.io/futoshiki-ink-legal/privacy.html Terms: https://muratcagangogebakan.github.io/futoshiki-ink-legal/terms.html