Hitori Premium
Built for fans of Sudoku, Kakuro, and Nonograms, our Hitori app delivers a rewarding mental workout with zero compromises. We've replaced predatory microtransactions and ads with a handcrafted, totally private logic game. Enjoy mathematically guaranteed unique solutions, background multi-threaded caching for instant launches, and a purely distraction-free interface.
The Core Experience
- Zero Ads, Zero Tracking: 100% ad-free, completely offline, and strictly private. We collect zero user data and require no accounts.
- Infinite Unique Puzzles: Our custom generator and backtracking solver guarantee every board has a mathematically proven unique solution solvable by pure logic.
- Global Daily Challenges: Solve the exact same deterministic daily puzzle as players worldwide, scaling in difficulty from Monday to Sunday.
- Bespoke Audio & Haptics: Enjoy curated soundtracks including Chill, Indie Pop, and Acoustic Guitar, complete with auto-ducking and crisp sound effects.
Pedagogical Tools & Gameplay
- Smart Hints That Teach: Instead of blindly revealing answers, our engine analyzes your board and explains the exact logical strategy (like Triple or Sandwich patterns) behind the next move.
- Interactive Tutorial: Master the three simple rules fast with a hands-on 5x5 walkthrough, visual rule cards, and pro tips.
- Ergonomic Solving: Seamlessly toggle between shading eliminated cells and circling confirmed safe numbers with our dedicated Draft/Circle mode.
- Unlimited Undo & Auto-Save: Step back through your full move history, restart any board, and never lose progress when you close the app.
Customization & Progression
- Full Theming Engine: Pick Light, Dark, or System mode, choose from 6 curated palettes, use a full Hex Color Picker, or select ultra-clear High-Contrast themes.
- Four Difficulty Tiers: Progress from quick 5x5 Easy boards to high-density 8x8 Expert grids engineered to test seasoned puzzle masters.
- Deep Statistics: Track your performance with Win Rate donut charts, time bar charts, Perfect Game streaks, and an interactive monthly Streak Calendar.
- Universal Access & Backup: Built for phones, tablets, and foldables in 70+ languages, complete with portable offline backup codes.
Frequently Asked Questions
Do I need an internet connection to play?
Not at all. The game is 100% offline. Puzzles are generated locally on your device, making it perfect for flights, commutes, and off-grid relaxation.
Are there any ads or in-app purchases?
Absolutely not. You pay once for an uninterrupted premium logic game. There are no banners, forced video ads, or paywalls blocking themes and features.
I've never played Hitori. Is it hard to learn?
It takes just a minute to learn! You simply shade squares so that no numbers repeat in any row or column, shaded squares don't touch, and unshaded squares stay connected. Our interactive tutorial and smart hint engine will teach you the deeper logic as you play.
Will I lose my game progress if I switch to another app?
No. The app automatically saves your precise board state the exact millisecond it goes into the background, so you can resume unfinished games anytime.