# Sudoku Classic : Zen — Offline classic Sudoku Game

> Offline classic Sudoku Game (iPhone/iPad app by Devvrat Kalia.)

- Source: https://appshunter.io/ios/app/sudoku-classic-zen/id6771256327 (this page in markdown: same URL + `.md`)
- Developer: [Devvrat Kalia](https://appshunter.io/developer/1896569497)
- Category: Games, Education, Board, Puzzle
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 13.0 · 26 MB
- Languages: American English
- Released: 2026-05-25
- Data updated: 2026-08-25
- User reviews in markdown: https://appshunter.io/ios/app/sudoku-classic-zen/id6771256327/reviews.md

## What is Sudoku Classic?

Unleash your mind and master the ultimate numbers puzzle with Sudoku Classic! Built for beginners, logical thinkers, and seasoned Sudoku experts, this premium app combines elegant glassmorphic aesthetics with powerful learning tools. Play anytime, anywhere—100% offline.

Whether you want to relax with a light daily brain trainer or push your logical limits with Expert-level math grids, Sudoku Classic is the most premium Sudoku puzzle game on the App Store.


WHY PLAY SUDOKU CLASSIC?

• Procedures Generation: Every grid is procedurally generated to guarantee exactly one unique, mathematically verified solution. No random guessing is ever required!
• 4 Difficulty Levels: Seamlessly scale your challenge. Transition from "Easy" clues to "Medium", "Hard", and "Expert" grids designed to challenge real Sudoku solvers.
• Intelligent Learning Hints: Stuck on a hard grid? Our smart Hint Explainer doesn’t just fill the box—it explains the mathematical deduction behind the move so you can learn techniques and level up your play.
• Smart Pencil Notes Mode: Jot down candidate numbers in a micro-grid (3x3). Once a number is placed, all overlapping notes are instantly and automatically cleared!
• Complete Stats Dashboard: Track your gameplay journey! Monitor your played games, completion streaks, best times, win ratios, and track your puzzle-solving progress.
• Absolute Undo & Erase: Made a mistake? Enjoy unlimited, instant undo states and erase operations to correct numbers easily.
• Flawless Performance: Optimized to launch instantly, save battery, support fixed portrait gameplay, and run entirely offline without internet.


UPGRADE TO SUDOKU PRO
Get the ultimate ad-free, premium experience. Subscribe to Sudoku Pro to unlock:

1. Ad-Free Puzzles: Fully remove all banner and interstitial ads for seamless, uninterrupted gameplay.
2. Infinite Smart Hints: Never run out of clues when tackling advanced expert grids.
3. Exclusive Obsidian Gold Theme: Transform your app into a work of art with gorgeous, glowing dark-gold highlights and warm charcoal accents.
4. Active Developer Support: Join the community supporting indie development and upcoming puzzle additions!



SUPPORT
• Support: https://devvratkalia.github.io

SUBSCRIPTION TERMS

Sudoku Pro is available as a Monthly ($1.99/month) or Yearly ($9.99/year) auto-renewable subscription. Your subscription will automatically renew unless cancelled at least 24 hours before the end of the current period. Manage or cancel at any time in your Apple ID Account Settings.

Privacy Policy: https://devvratkalia.github.io/sudoku-privacy
Terms of Use: https://devvratkalia.github.io/sudoku-terms
EULA (Standard Apple): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Download Sudoku Classic today, train your brain, and enjoy the most beautiful logic puzzle game on iOS!

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Sudoku Pro - Yearly Membership | $9.99 | per year |
| Sudoku Pro - Monthly membership | $1.99 | per month |



## Version history (last 1 release)

### 1.0 — 2026-05-25

No release notes.

## More apps by Devvrat Kalia

- [RF Fresnel Calculator](https://appshunter.io/ios/app/rf-fresnel-calculator/id6768409821)

All apps by Devvrat Kalia: https://appshunter.io/developer/1896569497

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-25.*