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Sudoku Harmonic

Sudoku Harmonic

Sudoku With Solfeggio Tones

0 ratings
1 review
🎮 Games
💪 Health & Fitness
🎈 Casual
🧩 Puzzle
Free

Details

  • Released
  • Updated
  • November 28, 2025
  • December 2, 2025

Features

Developer

Qi Machine LLC
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Sudoku Harmonic screenshot #1 for iPhone
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iphone
ipad
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About

Experience Sudoku like never before with a unique sonic twist. Each number corresponds to a Solfeggio frequency, creating a calming and immersive audio experience that enhances focus and relaxation. It's a mentally engaging puzzle game designed to leave you feeling centered and uplifted.

✓Solfeggio frequencies mapped to numbers
✓Harmonious layered audio feedback
✓Minimalist interface
✓Multiple difficulty levels
✓Customizable sound and visuals
✓Light and dark modes
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What's New in Sudoku Harmonic

1.2

December 2, 2025

Added grayscale mode

User reviews

Most RecentHighest RatedLowest Rated

Harmonic Delight

I’ve never played Sudoku before, but a friend sent me this app and thought I’d enjoy it. Turns out—they were right. The blend of gameplay with the soothing Solfeggio frequencies hooked me instantly.

I even tried regular Sudoku afterward and realized how much harder and less fun it felt. This version’s continuous play style, mixed with its sound-frequency integration, makes the whole experience relaxing, and meditative.

Whoever created this clearly brought a more enlightened approach to Sudoku. Love it!
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Barry CostaBarry Costa

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FAQ

What is Sudoku Harmonic?

Sudoku Harmonic is a free Sudoku puzzle game that integrates Solfeggio frequencies with each number. This creates a unique sonic experience designed to enhance focus and promote relaxation while you play.

How do Solfeggio frequencies work in Sudoku Harmonic?

Each number from 1 to 9 is assigned a specific Solfeggio frequency (174 Hz - 963 Hz). As you make moves in the puzzle, these tones play, creating a harmonic soundscape that aims to draw you into a state of relaxed concentration.

Is Sudoku Harmonic suitable for beginners?

Yes, Sudoku Harmonic offers multiple difficulty levels, making it accessible for players of all skill levels, from beginners to experienced Sudoku enthusiasts.

Can I customize the audio and visuals in Sudoku Harmonic?

Absolutely. The app features customizable sound and visual settings, including light and dark modes, allowing you to tailor the experience to your preferences.

Does Sudoku Harmonic have ads?

No, Sudoku Harmonic is completely ad-free, providing an uninterrupted and immersive puzzle-solving experience.

What devices is Sudoku Harmonic available on?

Sudoku Harmonic is available for iPhone and iPad devices.

How often is Sudoku Harmonic updated?

The app was last updated on December 2, 2025, with version 1.2. This indicates a recent update, suggesting ongoing support and potential for future improvements.

What is the age rating for Sudoku Harmonic?

Sudoku Harmonic has an age rating of 4+, making it suitable for a wide range of players.