# Zen Sudoku - Calm Brain Puzzle — Zen & Relaxing, Ad-Free > Zen & Relaxing, Ad-Free (iPhone/iPad app by ERAN TOKER.) - Source: https://appshunter.io/ios/app/zen-sudoku-calm-brain-puzzle/id6752811350 (this page in markdown: same URL + `.md`) - Developer: [ERAN TOKER](https://appshunter.io/developer/1836472274) - Category: Games, Education, Casual, Puzzle - Price: Free with in-app purchases - Age rating: 4+ - Requires: iOS 13.0 · 47 MB - Languages: American English - Released: 2025-09-23 - Data updated: 2026-09-08 - User reviews in markdown: https://appshunter.io/ios/app/zen-sudoku-calm-brain-puzzle/id6752811350/reviews.md ## What is Zen Sudoku? Zen Sudoku: Ad-Free, Relaxing Brain Training Experience the most calming Sudoku app with beautiful zen aesthetics and zero ads. Perfect for mindful relaxation and peaceful brain training. Why Zen Sudoku Stands Out: Completely Ad-Free: No interruptions, ever. Pure, uninterrupted gameplay. Beautiful Zen Aesthetics: Pastel colors, smooth animations, and calming design that's easy on the eyes. Relaxing Gameplay: No timers, no pressure. Play at your own peaceful pace. Unlimited Undo/Redo: Learn without stress. Go back as many steps as you need. Hundreds of Unique Puzzles: Dive into an expansive collection of carefully crafted Sudoku grids across all difficulty levels. Three Difficulty Levels: • Easy: Perfect for beginners to learn and enjoy a relaxing brain workout • Medium: Step up your game with more challenging grids • Hard: Test your Sudoku prowess with intricate puzzles that demand focus Smart Features for Better Gameplay: Pencil Marks (Notes): Jot down potential numbers in cells, just like on paper. Our smart note system automatically updates! Intelligent Hint System: Stuck on a tricky spot? Get gentle nudges without giving away the whole solution. Error Checking (Optional): Get instant feedback on incorrect entries, or turn it off for a true pen-and-paper challenge. Highlight Duplicates: Easily spot conflicts in rows, columns, and blocks. Automatic Save: Your progress is always saved. Pause and resume anytime, anywhere. Intuitive Interface: Clean, user-friendly design makes solving a joy. Effortlessly select cells, input numbers, and navigate the board. Train Your Brain, Find Your Calm, Master the Puzzle! Sudoku is more than just a game—it's a mental workout that enhances critical thinking, problem-solving skills, and concentration. With Zen Sudoku, you'll enjoy endless fun while improving your cognitive abilities in a peaceful, stress-free environment. Perfect for: • Meditation and mindfulness practice • Daily brain training • Stress relief and relaxation • Improving focus and concentration • Offline entertainment during commutes or travel Download Zen Sudoku FREE today and start your journey to becoming a Sudoku master while finding your inner calm! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Yearly Premium Subscription | $9.99 | per year | | Premium Monthly Subscription | $1.99 | per month | **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | 5 Hints Pack | $0.99 | one-time | | 15 Hints Pack | $1.99 | one-time | | 25 Hints Pack | $2.99 | one-time | ## Version history (last 5 releases) ### 1.1.6 — 2025-11-11 Bug fixes. ### 1.1.5 — 2025-10-21 Bug fixes. ### 1.1.4 — 2025-10-13 Bug fixes. ### 1.1.3 — 2025-10-06 Bug fixes. ### 1.1.2 — 2025-10-03 Bug fixes. ## Apps similar to Zen Sudoku | App | Rating | Price | Category | | --- | --- | --- | --- | | [Luggage Loop](https://appshunter.io/ios/app/luggage-loop/id6752331228) | — | Free | Games | | [Sudoku \| Puzzle Brain Games](https://appshunter.io/ios/app/sudoku-puzzle-brain-games/id6473121764) | 5.0 (3) | Free | Games | | [Puzzles with Golden Matches](https://appshunter.io/ios/app/puzzles-with-golden-matches/id652809615) | 5.0 (1) | Free | Games | | [Brain Sudoku for Seniors](https://appshunter.io/ios/app/brain-sudoku-for-seniors/id6740687832) | 4.6 (96) | Free | Games | | [No WiFi Mini Games Offline Fun](https://appshunter.io/ios/app/no-wifi-mini-games-offline-fun/id6745786314) | — | Free | Games | | [Bus Escape: Car Parking Jam](https://appshunter.io/ios/app/bus-escape-car-parking-jam/id6736468715) | 4.7 (3) | Free | Games | ## More apps by ERAN TOKER - [Game Garden - King of Hearts](https://appshunter.io/ios/app/game-garden-king-of-hearts/id6751730663) - [Clue Master: Word Puzzle](https://appshunter.io/ios/app/clue-master-word-puzzle/id6752260631) - [Merge Builder: Puzzle & Craft](https://appshunter.io/ios/app/merge-builder-puzzle-and-craft/id6753926947) - [Zen Blocks: Calm Block Puzzle](https://appshunter.io/ios/app/zen-blocks-calm-block-puzzle/id6755252485) - [Pitch Tactics: Football Game](https://appshunter.io/ios/app/pitch-tactics-football-game/id6760240560) All apps by ERAN TOKER: https://appshunter.io/developer/1836472274 --- *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 2026-09-08.*