Smaller grid, same satisfying logic. Solve a fresh puzzle every morning — track your streak, beat your time, and grow sharper every day.
Thoughtfully designed for focus — not engagement metrics.
A handcrafted puzzle unlocks every morning. Build a streak, make it a ritual.
The 6×6 format takes 2–15 minutes — perfect for a coffee break or commute.
Easy through Expert. Grow at your own pace or go straight to the deep end.
Pencil in candidate numbers. Erase when you're certain. Classic Sudoku technique.
Stuck? Use a hint to reveal one correct cell and get back on track.
No banners, no interstitials, no rewards. Pure puzzle — pay once and own it.
Light and dark mode — looks great on any iPhone.
Keep your streak alive with one puzzle a day. Track the last 4 weeks at a glance on the heatmap — each colour shows the difficulty you solved.
Four carefully tuned difficulties — from first-timer to seasoned solver.
More given cells, relaxed logic. Perfect for learning the rules.
Requires a little more thought. A satisfying daily workout.
Fewer clues, deeper chains. Think two steps ahead.
Minimal given cells. Maximum satisfaction when you crack it.
No subscription. No hidden fees. One small payment unlocks everything.