Sudoku Harmonic
Sudoku Harmonic is made and published by Qi Machine LLC. AppBrain is an independent app data site and isn't affiliated with Qi Machine LLC. The app name, icon, screenshots and description belong to Qi Machine LLC and are shown as published on the App Store.
AppBrain's verdict
- Rating on App Store
- 5.00
- 2 ratings
- Last updated
- December 2, 2025
- Size
- 5.25 MB
It doesn't have enough ratings yet to judge what users think.
User feedback
Ratings and reviews on the App StoreComments on Sudoku Harmonic for iOS
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Store listing
By Qi Machine LLC, from the App StoreDescription by Qi Machine LLC Written by the developer, not by AppBrain. Click to read.
Sudoku Harmonic transforms the classic puzzle you love into an immersive sonic experience. Each number (1 - 9) plays its own Solfeggio frequency (174 Hz – 963 Hz), turning every move into a moment of sound that draws you deeper into focus and flow.
This is the puzzle game you'll actually want to keep playing - not out of habit, but because it feels genuinely uplifting.
Why players are hooked:
- The audio creates a calming, satisfying rhythm as you solve
- You naturally enter a state of relaxed concentration
- Time passes differently—you're present, not anxious
- It's mentally engaging without being draining
- You finish sessions feeling centered, not depleted
What makes it different:
Each number triggers a specific Solfeggio tone, creating a harmonic soundscape as you play. The experience supports relaxation, mental clarity, and mindful focus - making this a puzzle game that actually enhances your state of mind rather than just filling time.
Features:
- Solfeggio frequencies (174 Hz - 963 Hz) mapped to each number
- Beautiful, minimalist interface
- Multiple difficulty levels for all skill levels
- Harmonious, layered audio feedback
- Customizable sound and visual settings
- Light and dark modes
- Clean, distraction-free design
Perfect for:
- Sudoku enthusiasts ready for an evolution of the classic game
- Meditation and mindfulness practitioners
- Anyone curious about frequency and sound experiences
- People who want mental exercise that feels restorative
- Those seeking a genuinely calming daily ritual
Put on your headphones. Take a breath. And discover why this might become the most uplifting part of your day.
Welcome to Sudoku Harmonic - where the game you love meets the frequencies that elevate it.
Safety and technology
Found in the app by AppBrain- Price
- Free
- App size
- 5.25 MB
- Content rating
- Everyone
Technologies used by Sudoku Harmonic
Releases
Updates seen on the App Store- Version
- 1.2
- Launched
- November 2025
No changelog data
Alternatives
Similar apps and more from Qi Machine LLCMore from Qi Machine LLC
Rankings
App Store top chartsApp Store Rankings for Sudoku Harmonic
About the app and developer
About Sudoku Harmonic
Sudoku Harmonic is a games app developed by Qi Machine LLC.
User Ratings
Sudoku Harmonic is rated 5.00 out of 5 stars. The rating is based on 2 ratings.
App Information
Sudoku Harmonic is freely available from the App Store. The app size is 5.25 MB. The latest version available is 1.2. The last update was on December 2, 2025.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since November 2025.
Developer information for Qi Machine LLC
Address:
Frequently asked questions about Sudoku Harmonic
Is Sudoku Harmonic free?
Yes. Sudoku Harmonic is free on the App Store.
Is Sudoku Harmonic still available?
Yes. Sudoku Harmonic is on the App Store, and the last update we saw was on December 2, 2025.
How large is Sudoku Harmonic?
Sudoku Harmonic is 5.25 MB.
Is Sudoku Harmonic suitable for children?
App Store rates the content of Sudoku Harmonic as suitable for everyone.
How do people rate Sudoku Harmonic?
Sudoku Harmonic scores 5.00 out of 5 stars, from 2 ratings on the App Store.
Who made Sudoku Harmonic?
Sudoku Harmonic was developed by Qi Machine LLC. It is listed in the games category on the App Store.
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