Futoshiki – Less or More

More or less, a beautiful puzzle. Free for iPhone & iPad.

What is Futoshiki?

Futoshiki (不等式, “inequality” in Japanese) is a logic puzzle from the Sudoku family: fill the grid so every row and column contains each number exactly once — while respecting the “less than” and “greater than” signs between cells. One minute to learn, a lifetime to master.

Why you'll love it

• A fresh Daily Puzzle — the same for everyone in the world, every day.
• 60 hand-tuned journey levels across 5 chapters, from friendly 4×4 to fearsome 7×7.
• Guaranteed-unique solutions — pure logic, never guessing.
• Zen mode — no timer, no stars, just flow.
• Challenge links — send any puzzle to a friend, same board, same rules: who's faster?
• Game Center leaderboards, achievements, XP ranks from Novice to Grandmaster.
• Works fully offline · English, Italiano & Español · Widget for your home screen.