# Sudoku Zen: Puzzle Games — Daily Logic & Calm Focus > Classic 9x9 Sudoku puzzle game for logic practice and brain training. (iPhone/iPad app by Aleksei Popov.) - Source: https://appshunter.io/ios/app/sudoku-zen-puzzle-games/id6779178797 (this page in markdown: same URL + `.md`) - Developer: [Aleksei Popov](https://appshunter.io/developer/1896185909) - Category: Games, Board, Puzzle - Price: Free - Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed - Age rating: 4+ - Requires: iOS 16.4 · 73 MB - Languages: American English, German (Germany), Chinese (Simplified, China), European Spanish - Released: 2026-06-18 - Data updated: 2026-08-01 - Monetization: ad-supported - User reviews in markdown: https://appshunter.io/ios/app/sudoku-zen-puzzle-games/id6779178797/reviews.md ## What is Sudoku Zen? Find your focus with Sudoku Zen, a clean and calming Sudoku puzzle game built for everyday logic practice. Play classic 9x9 Sudoku at your own pace, choose the right difficulty for your mood, and enjoy a quiet interface that keeps the board clear and the thinking uninterrupted. Whether you want a gentle warm-up or a deeper challenge, Sudoku Zen gives you a simple way to train your brain, relax, and sharpen your number skills. Choose from Easy, Medium, Hard, and Expert puzzles. Use notes to work through possibilities, undo moves when you need to rethink a step, and get a smart hint when you are stuck. Correct moves are rewarded with score and combo progress, while mistakes are tracked with limited lives to keep each puzzle engaging. Sudoku Zen also helps you build a steady practice habit. Resume an unfinished puzzle, review your completed games, track your best times, and follow your score history by difficulty. Features: - Classic 9x9 Sudoku puzzles - Easy, Medium, Hard, and Expert difficulty levels - Calm, minimal board design for focused play - Notes mode for candidate numbers - Smart hints when you need help - Undo and delete controls - Score, timer, and lives - Resume your current puzzle - Progress dashboard with completed games, best times, and best scores Sudoku Zen is made for players who enjoy classic number puzzles, brain training, and peaceful daily logic games. Start a puzzle, slow down, and solve one clean step at a time. ## Key features - Classic 9x9 Sudoku puzzles - Multiple difficulty levels - Calm, minimal board design - Notes mode for candidate numbers - Smart hints and undo controls - Progress tracking and history ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/sudoku-zen-puzzle-games/id6779178797/reviews.md ### 5/5 — Great game *2026-06-18* I can’t stop playing **Developer response:** I’m glad that you like it 🎉 Thank you ## Frequently asked questions about Sudoku Zen ### What is Sudoku Zen? Sudoku Zen is a classic 9x9 Sudoku puzzle game designed for everyday logic practice. It offers a calm interface and adjustable difficulty levels to help players train their brain and relax. ### What are the difficulty levels in Sudoku Zen? Sudoku Zen offers four difficulty levels: Easy, Medium, Hard, and Expert, allowing players to choose a challenge that suits their mood and skill level. ### Does Sudoku Zen have hints or an undo feature? Yes, Sudoku Zen provides smart hints when you are stuck and offers undo and delete controls to help you rethink your moves. ### Can I resume an unfinished puzzle in Sudoku Zen? Yes, Sudoku Zen allows you to resume your current puzzle at any time, making it convenient to pick up where you left off. ### Does Sudoku Zen have ads? Yes, Sudoku Zen contains advertisements. This allows the game to be offered for free to players. ### How does Sudoku Zen track progress? Sudoku Zen tracks your progress through a dashboard that shows completed games, best times, and best scores for each difficulty level. ### What devices is Sudoku Zen available on? Based on the provided data, Sudoku Zen is currently supported on iPhone devices. ### What is the age rating for Sudoku Zen? Sudoku Zen has an age rating of 4+, making it suitable for a wide range of players. ## Version history (last 5 releases) ### 1.3.1 — 2026-07-31 We’ve improved performance and fixed a few bugs for a smoother Sudoku experience. ### 1.3.0 — 2026-07-07 Fixed some bugs for a smoother experience. ### 1.2.0 — 2026-07-01 Sudoku Zen now speaks German and Chinese. This update also includes small bug fixes and polish for a smoother experience. ### 1.1.0 — 2026-06-24 Sudoku Zen now speaks Spanish. Version 1.1.0 adds Spanish language support, making it easier to enjoy calm, focused Sudoku puzzles in your preferred language. ### 1.0 — 2026-06-18 No release notes. --- *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 2026-08-01.*