Launching today

Ninebloom: Sudoku Puzzles
Calm, colorful Sudoku with hints that actually teach logic
3 followers
Calm, colorful Sudoku with hints that actually teach logic
3 followers
Stop getting Sudoku hints that just fill in a random cell. Ninebloom combines a soothing, colorful aesthetic with a smart teaching engine that visually highlights step-by-step deductions—from Pointing Pairs to X-Wings and Swordfish—so you actually level up.








Hey Product Hunt! 👋
I built Ninebloom: Sudoku Puzzles because I kept running into the same wall with mobile Sudoku apps: whenever I got stuck on a Hard or Expert board and tapped "Hint," the app would just drop a digit into a square with zero explanation of why it went there.
With Ninebloom, I wanted the Hint button to act like a personal logic tutor rather than a cheat code:
🧠 Visual Step-by-Step Hints: Instead of spoiling a cell, Ninebloom scans your board for the next human deduction (Naked/Hidden Singles, Pointing Pairs, Box Line Reduction, X-Wing, XY-Wing, Swordfish) and highlights the exact pattern on your grid.
🎯 Zero Guessing: Every puzzle is graded by the real logical techniques required to solve it—never forcing a 50/50 guess.
🎨 Calm & Colorful UI: Designed with soothing palettes and smooth interactions for a relaxing daily brain workout.
It's live now on Android! I would love for you to try a puzzle and let me know what you think of the visual hint explanations.