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Clear Sudoku 9

Pure. Elegant. Yours forever.

🧠 4 Difficulty Levels 📅 Daily Challenges 🚫 No Ads 💰 One-Time Purchase

The classic number puzzle — beautifully clear, reimagined for iPhone and iPad. No subscriptions, no ads, no clutter. Just pure Sudoku.

App Store Explore Features

Everything You Need

A complete Sudoku experience, thoughtfully designed

🎯

Four Difficulty Levels

From gentle warm-ups to brain-bending grids — Easy, Medium, Hard, and Expert — there's always a puzzle for your mood.

📅

Daily Challenges

A fresh puzzle every single day that adapts to your skill level. Build your streak and make Sudoku part of your routine.

✏️

Smart Pencil Notes

Use notes to work through possibilities like the pros. Notes auto-clear when you place numbers — or toggle that off.

📊

Statistics & Stars

Track best times, average times, win rates, streaks, and star ratings for every difficulty. Watch yourself improve.

🏆

7 Achievements

Unlock badges from Speed Demon to Perfect Week. Every milestone earned is celebrated with animations and haptics.

💡

Hints & Unlimited Undo

Stuck? Get a gentle nudge. Made a mistake? Undo it — as many times as you need. No limits, no penalties.

How It Works

Simple to start, satisfying to master

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🎮

Pick Your Level

Choose from Easy, Medium, Hard, or Expert — or take on the Daily Challenge that adapts to your skill.

2
🧩

Solve the Puzzle

Tap to select cells, place numbers, use pencil notes, and let error highlighting guide you to the solution.

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⭐

Track & Improve

Earn up to 3 stars per puzzle. Beat your personal best. Unlock achievements. Climb to the next difficulty.

Make It Yours

Tailor the experience to how you play

🌗

Light & Dark Mode

Choose Light, Dark, or System to match your device. Play comfortably day or night.

🔢

Smart Highlighting

Toggle number highlighting, row/column/box guides, and mistake indicators on or off.

🌍

6 Languages

Play in English, German, French, Spanish, Italian, or Greek — the app speaks your language.

One Price. Yours Forever.

No subscriptions. No hidden fees. Ever.

💎
Full Experience
One-Time
Pay once, own it forever
  • All 4 difficulty levels
  • Daily challenges with streaks
  • Full statistics & achievements
  • Pencil notes, hints & undo
  • Light & Dark mode
  • 6 languages included
  • All future updates
  • Zero ads, zero tracking
Download Now

🙌 No Strings Attached

Every feature. Every update. Every puzzle. Included in a single, affordable purchase. No in-app purchases, no premium tiers — just a complete app from day one.

Frequently Asked Questions

Everything you need to know

Is this a subscription or one-time purchase?
Clear Sudoku 9 is a single, one-time purchase. No subscriptions, no recurring fees, no in-app purchases. You pay once and own the complete app forever, including all future updates.
Does the app contain any ads?
Absolutely not. There are zero ads in the app — not now, not ever. We believe a premium experience should be completely free from advertising and distractions.
Does the app need an internet connection?
No! Clear Sudoku 9 works 100% offline. All puzzles are generated on-device. It's perfect for flights, commutes, or anywhere without WiFi.
What devices does it support?
Clear Sudoku 9 runs on iPhone and iPad with iOS 15.0 or later. The layout automatically adapts to your screen size for the best experience on every device.
What are the difficulty levels?
Four levels to match your skill: Easy (great for beginners), Medium (a moderate challenge), Hard (for experienced solvers), and Expert (for Sudoku masters). The Daily Challenge adapts automatically to match your proven skill level.
Will my progress be saved?
Yes! Your current game, statistics, achievements, and settings are automatically saved on your device. Close the app anytime and pick up right where you left off.
What languages are supported?
Clear Sudoku 9 is fully localized in six languages: English, German, French, Spanish, Italian, and Greek. The app follows your device language automatically.
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Buy It Once. Play It Forever.

Download Clear Sudoku 9 and enjoy a beautiful, distraction-free puzzle experience. No ads, no subscriptions — just you and the grid.

App Store
iPhone & iPad No Ads Offline 6 Languages

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