# ⋆Sudoku+ — Classic Sudoku Logic Puzzles > Classic Sudoku logic puzzles with an advanced learning hint system. (iPhone/iPad app by Brainium Studios LLC.) - Source: https://appshunter.io/ios/app/sudoku-plus/id407078169 (this page in markdown: same URL + `.md`) - Developer: [Brainium Studios LLC](https://appshunter.io/developer/300891405) - Category: Games, Puzzle, Board, Entertainment - Price: $11.99 - Rating: 4.80/5 from 2,419 App Store ratings · 218 written reviews indexed - Age rating: 4+ - Requires: iOS 11.0 · 1.1 GB - Languages: American English, Danish, Dutch, Finnish, French (France), German (Germany), Italian, Japanese, Korean, Norwegian Bokmål and 7 more - Released: 2011-01-06 - Data updated: 2026-08-25 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/sudoku-plus/id407078169/reviews.md ## What is ⋆Sudoku+? Sudoku by Brainium has updated the classic Sudoku puzzle game you know and love, with a clean, modern design, calming backdrops, and intuitive controls. With endless number puzzles and five levels of difficulty, our Sudoku is perfect for players of all skill levels. Whether you’re in the mood for a quick game to help you relax, or an expert level logic challenge to train your brain, there’s a board for you. Brainium Sudoku also features the first and best smart hint system available. It goes beyond simply giving you the answers. Instead, it helps you learn and improve your skills by teaching you “why” the answer is what it is. With every puzzle, our “Hint” button provides the techniques you need to make progress even when it seems like your path is blocked. The instructions are easy to understand, unique for every puzzle, and presented with easy to follow, helpful animations and colorful visuals. This feature will improve your Sudoku skills whether you’re a first-time player or a seasoned expert. It’s the perfect companion for anyone looking to take their number game or logic puzzle skills to the next level. Enjoy a clear, easy to read, and customizable Sudoku board with visual guides that make reading the board and figuring out where to place your next numbers a breeze. Our input system is designed to make entering numbers and notes simple, and our user-friendly scoring system makes it easy to compete with yourself or friends. Starting and keeping a daily habit of mental exercise is easy by playing Sudoku’s Daily Puzzles, which are sure to keep your mind sharp and at ease. Track your progress with onboard statistics and unlock fun achievements along the way. Brainium’s Classic Sudoku Features: • The world’s most advanced Sudoku learning tool and hint system • Hints that teach you the logic behind the answer • Five perfectly balanced difficulty levels from beginner to expert • Daily Puzzle Challenges - complete them to earn points and gold checkmarks • Two beautiful grid styles • Nine relaxing backdrops • Light or dark grid fonts with adjustable size • Auto Light/Dark mode adjusts the theme based on your device settings • Unlimited collection of brain training logic puzzles • Game Statistics to track progress • Auto-Fill Notes option • Auto-Clear Notes option • Auto-Check Errors option • Number Painting option allows you to rapidly fill open squares with a selected number or note • Universal App looks great on iPhone and iPad • Global and friend leader boards • Portrait and landscape play options • Right or left-handed option in landscape • iPad keyboard compatible We hope Sudoku by Brainium brings you endless fun, relaxation, and a challenge for your mind. More Fun & Free Logic and Classic Card Games from Brainium: • Solitaire • Mahjong • Spider Solitaire • FreeCell • Pyramid • Blackjack Like us on Facebook http://www.facebook.com/BrainiumStudios Follow us on Twitter @BrainiumStudios Visit us on the web https://www.Brainium.com/ ## Key features - Smart hint system teaches logic - Five difficulty levels - Daily puzzle challenges - Customizable board and themes - Progress tracking and achievements - Auto-fill and auto-check options ## What do users think of ⋆Sudoku+? Overall sentiment: neutral **Pros** - 🚀 Excellent game - 👍 Great interface and easy to use - 💡 Helpful hints and teaching features - 🚀 Addictive and challenging - 👍 Good range of difficulty levels **Cons** - 🐛 Crashes and performance issues - 🔋 High battery consumption - 👎 Recent updates have made the app worse - 👎 Ads even after purchasing ad-free version - 👎 Unique rectangles in puzzles are frustrating **Commonly reported bugs** - Cannot change difficulty levels - Hint UI is broken with text cut off - Swipe to enter numbers no longer works - App freezes and becomes unresponsive **Most requested features** - Add back quick fill option - Improve contrast and visibility of UI elements - Add more levels between hard and expert - Allow disabling of hints and auto-fill features - Provide more customization options for colors and themes ## Recent user reviews (10 of 218) All indexed reviews: https://appshunter.io/ios/app/sudoku-plus/id407078169/reviews.md ### 2/5 — You got rid of quick fill *2025-02-01* The latest version got rid of quick fill, with no option to add it back. The current process to add numbers is cumbersome. I’m looking at other Sudoku apps. I’ve played this app for many years, and switched to it specifically for the quick fill. Your newest updates are fine, but not worth losing quick fill. Please bring it back, even if it’s only an option that people can choose. ### 1/5 — Unique rectangles *2024-06-27, version 3.0.12* I would give this app 5 stars if not for one massive flaw. Every puzzle contains multiple unique rectangles. Absolutely maddening! ### 3/5 — Can’t Change Levels *2024-04-26, version 3.0.12* It won’t allow me to change levels. What do I need to do? Thanks. ### 1/5 — Ads even if you purchase *2023-06-28, version 3.0.9* Extremely disappointed to see ads for MGM and Amazon pop up even after purchasing the App ### 1/5 — Pay for ad free yet still see ads *2023-06-28, version 3.0.9* Paid $11.99 to have an ad free experience yet I see tons of ads. Uninstalling. Do not buy. ### 4/5 — Best App for Sudoku *2022-10-25* The hard puzzles are way too easy; I hardly use any advanced techniques…The expert level it is way too much though (endless chains to identify) So I end up playing the hard until I get bored and then go to expert, where I spend most of the time trying to identify chains (using my hints). I wish there was one more level in between the two!! **Developer response:** Hey there, thanks so much for your feedback. I'll be sure to share this with our team for further consideration. Thank you for playing Sudoku! 😊 ### 1/5 — Makes terrible puzzles *2022-02-12* The very second expert puzzle I tried in this version had 3 unique solutions with no logical way to pick one. The developers of this app don’t seem to realize that uniqueness is only a logically correct method of solving a puzzle if that puzzle can be solved without it. Also, the hint UI is broken; the text is broken up into short sentences that would fit on the screen, but instead of filling empty space they’re compressed into a crappy scroll box that only shows half the text at once. ### 1/5 — Terrible update, UI is a disaster *2021-12-26, version 3.0.2* V3 changed the UI and the colors are terrible. Lack of adequate contrast, greyed out icons that are virtually impossible to see, and the new score display burries the game time, which is the most important stat of the game. The only positive is that you can now see the phone status bar when playing. ### 1/5 — Was my five-star favorite until ... *2021-10-23, version 3.0.2* The author made a horrible decision to ruin the user interface. It is now indistinguishable from any other particle in the enomous heap of hyped-up children's games. Sadly, I will likely delete this app and look for a sane, non-"gamer" sudoku. ### 4/5 — Excellent update (but please bring back the music!!) *2021-10-22* A wonderful and refreshing update to an app I’ve used for years. Love the addition of daily challenges. My only criticism is it appears the background music was removed with the latest update. It was very relaxing and oddly enough was one of my favorite parts of the app. Please bring it back in a future update! ## Frequently asked questions about ⋆Sudoku+ ### What is this app? This app provides a modern and user-friendly version of the classic Sudoku number puzzle. It features a clean design, calming backdrops, and intuitive controls, making it enjoyable for players of all skill levels. The app offers endless puzzles with five difficulty levels, from beginner to expert. ### How does the hint system work? The app features an advanced smart hint system that goes beyond simply providing answers. It teaches you the logic behind each solution through easy-to-understand instructions, helpful animations, and colorful visuals. This system is designed to improve your Sudoku skills, whether you are a new player or a seasoned expert. ### Is this app free to download and play? Yes, this app is completely free to download and play. It offers an unlimited collection of brain training logic puzzles without any cost to the user. The app is designed to provide endless fun and mental challenges without requiring any payment. ### What are the different difficulty levels? The app offers five perfectly balanced difficulty levels, ranging from beginner to expert. This ensures that players of all skill levels can find a suitable challenge. Whether you're looking for a quick game to relax or a complex logic challenge to train your brain, there's a board for you. ### Can I track my progress? Yes, the app includes game statistics to track your progress and allows you to unlock fun achievements along the way. It also features daily puzzle challenges that you can complete to earn points and special checkmarks, helping you stay engaged and motivated. ## Version history (last 5 of 5) ### 3.0.12 — 2023-07-13 We'd like to thank our players, you make our games possible! - Bug fixes and improvements ### 3.0.9 — 2023-01-30 Thank you so much to all our wonderful players! -Bug fixes and improvements ### 3.0.8 — 2023-01-04 Thank you so much to all our wonderful players! -Bug fixes and improvements ### 3.0.7 — 2022-06-14 Thank you so much to all our wonderful players! -Bug fixes and improvements ### 3.0.6 — 2022-04-26 Thank you so much to all our wonderful players! -Landscape orientation -Bug fixes and improvements ## Apps similar to ⋆Sudoku+ | App | Rating | Price | Category | | --- | --- | --- | --- | | [Killer Sudoku - Brain Games](https://appshunter.io/ios/app/killer-sudoku-brain-games/id1532397340) | 4.7 (26,567) | Free | Games | | [Sudoku Master Edition](https://appshunter.io/ios/app/sudoku-master-edition/id1260190370) | 4.6 (7,889) | Free | Games | | [Sudoku - Brain Puzzle Games](https://appshunter.io/ios/app/sudoku-brain-puzzle-games/id1442749804) | 4.8 (305,807) | Free | Games | | [Sudoku ′ No ads](https://appshunter.io/ios/app/sudoku-no-ads/id329981776) | 4.8 (28,552) | $1.99 | Games | | [Sudoku· Classic Puzzle Games](https://appshunter.io/ios/app/sudoku-classic-puzzle-games/id1409781798) | 4.7 (63,544) | Free | Games | | [Sudoku: Variants & Classic](https://appshunter.io/ios/app/sudoku-variants-and-classic/id1530683853) | 4.8 (1,576) | Free | Games | ## More apps by Brainium Studios LLC - [Jumbline 2+ for iPad](https://appshunter.io/ios/app/jumbline-2-plus-for-ipad/id364900547) - [Jumbline 2 for iPad](https://appshunter.io/ios/app/jumbline-2-for-ipad/id374370928) - [Jumbline 2+](https://appshunter.io/ios/app/jumbline-2-plus/id384197252) - [Jumbline 2](https://appshunter.io/ios/app/jumbline-2/id384200512) - [⋆Word Search+](https://appshunter.io/ios/app/word-search-plus/id398081649) - [⋆Word Search](https://appshunter.io/ios/app/word-search/id400793434) All apps by Brainium Studios LLC: https://appshunter.io/developer/300891405 --- *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.*