# Sudoku : Brain-teaser > Classic Sudoku puzzle game with adjustable difficulty and helpful features. (iPhone/iPad app by Abhishek Aryan.) - Source: https://appshunter.io/ios/app/sudoku-brain-teaser/id1375313330 (this page in markdown: same URL + `.md`) - Developer: [Abhishek Aryan](https://appshunter.io/developer/1365121366) - Category: Games, Puzzle - Price: Free with in-app purchases - Rating: 5.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 15.0 · 65 MB - Languages: American English - Released: 2018-04-23 - Data updated: 2026-08-28 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/sudoku-brain-teaser/id1375313330/reviews.md ## What is Sudoku? Give your brain the ultimate logical workout! Sudoku : Brain-teaser brings the classic, world-famous combinatorial number puzzle straight to your iPhone and iPad. Whether you want to relax with simple mental arithmetic, improve your concentration, or challenge your logical deduction on expert grids, this game is your perfect daily mental gym! The objective is timeless: place digits into a 9x9 grid so that every single column, row, and 3x3 sub-grid contains all numbers from 1 to 9. Every puzzle is hand-verified to guarantee exactly one unique solution - no guessing required! 4 SCALABLE DIFFICULTY LEVELS: Easy Mode: Relaxed, gentle number grids ideal for beginners and casual warm-ups. Medium Mode: A steady step up to sharpen pattern recognition and memory recall. Hard Mode: Complex logical deduction challenges designed for regular players. Expert Mode: The ultimate test of advanced Sudoku solving techniques for true masters! SMART HELPER TOOLS FOR SMOOTH GAMEPLAY: Pencil Marks (Notes): Jot down potential candidate numbers inside cells just like on real paper. Duplicate Highlighting: Instantly spot repeating numbers across rows, columns, and 3x3 blocks. Auto-Check & Error Detection: Get real-time feedback on incorrect numbers to learn as you play. Smart Hint System: Get a helpful nudge in the right direction whenever you hit a dead end. WHY YOU’LL LOVE SUDOKU : BRAIN-TEASER: 1,000+ Handcrafted Puzzles: An enormous collection of logic grids designed to keep your mind sharp for hundreds of hours. Eye-Friendly Minimalist UI: Clean graphics, intuitive numerical keypad controls, and high-contrast visuals designed for comfortable reading. 100% Offline Utility: No active mobile data or Wi-Fi required! Enjoy seamless logic solving during your daily commute, flights, or on the go. Premium iOS Optimization: Ultra-fast loading, fluid grid inputs, and flawless display scaling for both iPhone and iPad screens. Are you ready to test your logic and master the grid? Download Sudoku : Brain-teaser completely FREE today and start solving! ## Key features - Adjustable difficulty levels - Hints and auto-check features - Duplicate highlighting - Unique puzzle solutions - Friendly scoring system - Simple input system ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Remove Ads | $2.99 | one-time | ## Frequently asked questions about Sudoku ### What is the objective of Sudoku : Brain-teaser? The objective is to fill a 9x9 grid with digits from 1 to 9 such that each column, each row, and each of the nine 3x3 sub-grids contains all of the digits from 1 to 9. Each puzzle in the app is guaranteed to have one unique solution. ### What difficulty levels are available in Sudoku : Brain-teaser? The game offers various difficulty levels, from easier ones to exercise your brain and memory, to harder levels designed to provide a significant mental workout. Players can choose any level they prefer. ### Does Sudoku : Brain-teaser offer any assistance for players? Yes, the game includes features to make playing easier, such as hints, an auto-check function to verify your entries, and highlighting of duplicate numbers. Players can choose to use these aids or complete puzzles without any help. ### How does the scoring system in Sudoku : Brain-teaser work? The app features a friendly scoring system that allows you to compete with yourself or your friends. This system is designed to be inclusive, regardless of a player's skill level. ### What devices is Sudoku : Brain-teaser compatible with? Sudoku : Brain-teaser is available for iPhone, iPad, and iPod. It is designed to run on Apple's mobile operating system. ### How often is Sudoku : Brain-teaser updated? The latest version of Sudoku : Brain-teaser is 1.0.7, and it was last updated on January 8, 2024. This indicates recent development and potential for ongoing improvements. ### Does Sudoku : Brain-teaser have ads? Yes, Sudoku : Brain-teaser contains advertisements. It is a free-to-play game that supports its development through ads and in-app purchases. ### What is the age rating for Sudoku : Brain-teaser? Sudoku : Brain-teaser has an age rating of 4+. This suggests it is suitable for a wide range of players, including younger individuals interested in logic puzzles. ## Version history (last 5 releases) ### 1.0.9 — 2026-08-18 This update delivers ultra-smooth number entry, faster pencil-note toggling, and perfect layout scaling across all modern iPhone and iPad screens. Update now to continue your daily Sudoku streak seamlessly! ### 1.0.8 — 2026-07-29 We have overhauled our core game framework and refined our grid-input responsiveness. This update delivers ultra-smooth number entry, faster pencil-note toggling, and perfect layout scaling across all modern iPhone and iPad screens. Update now to continue your daily Sudoku streak seamlessly! ### 1.0.7 — 2024-01-08 Technical update(SDK and different supporting framework updated) for smooth gameplay. ### 1.0.6 — 2021-07-25 Technical update(SDK and different supporting framework updated) for smooth gameplay. ### 1.0.5 — 2021-04-19 Technical update(SDK and different supporting framework updated) for smooth gameplay. ## Apps similar to Sudoku | App | Rating | Price | Category | | --- | --- | --- | --- | | [Emoji Jelly: Match 3 Puzzle](https://appshunter.io/ios/app/emoji-jelly-match-3-puzzle/id6759250755) | — | Free | Games | | [Ultimate Sudoku: Puzzle Game](https://appshunter.io/ios/app/ultimate-sudoku-puzzle-game/id6755173891) | 5.0 (1) | Free | Games | | [Sudoku Classic Number Puzzle](https://appshunter.io/ios/app/sudoku-classic-number-puzzle/id6755161141) | — | Free | Games | | [Military War Quizzer](https://appshunter.io/ios/app/military-war-quizzer/id6748345494) | 4.7 (3) | Free | Games | | [Total Sudoku](https://appshunter.io/ios/app/total-sudoku/id1147298304) | 4.8 (53) | Free | Games | | [US Presidents Quiz en-US](https://appshunter.io/ios/app/us-presidents-quiz-en-us/id1454923331) | 4.7 (24) | Free | Games | ## More apps by Abhishek Aryan - [Unblock Now](https://appshunter.io/ios/app/unblock-now/id1365121367) - [Block Puzzle Mania](https://appshunter.io/ios/app/block-puzzle-mania/id1365401604) - [Word Connect Puzzle](https://appshunter.io/ios/app/word-connect-puzzle/id1366343607) - [Word Search - Puzzle](https://appshunter.io/ios/app/word-search-puzzle/id1367234834) - [Piponnect](https://appshunter.io/ios/app/piponnect/id1367974483) - [Slide And Roll](https://appshunter.io/ios/app/slide-and-roll/id1368087815) All apps by Abhishek Aryan: https://appshunter.io/developer/1365121366 --- *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 2026-08-28.*