Sudoku ++ vs Challenge! Sudoku
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Sudoku ++
Engage your logic with a classic 9x9 puzzle experience. This app offers multiple difficulty levels, fast note-taking, and helpful hints. Track your progress with detailed statistics and customize your play with various themes. Enjoy a calm and satisfying number puzzle every time.
- Classic 9x9 Sudoku puzzles
- Multiple difficulty levels
- Fast note-taking and pencil marks
- Highlighting for rows, columns, and numbers
- Undo, redo, and erase functions
- Hint system and mistake checking
- Progress tracking statistics
- Customizable themes
Read full descriptionHide full description
Train your logic with a polished classic Sudoku app built for comfortable mobile play. Sudoku++ gives you a clean 9x9 puzzle board, fast pencil marks, clear highlighting, useful hints, lessons, and stats in one focused number puzzle experience. Start an easy puzzle for a quick break or step up to harder challenges when you want deeper logic. Why players like it: • Classic 9x9 Sudoku with multiple difficulty levels • Fast notes and pencil marks for serious solving • Highlighting for rows, columns, boxes, and matching numbers • Undo, redo, erase, pause, timer, and resume • Helpful hint system and mistake checking options • Learn tab with short lessons for rules and solving patterns • Statistics to track progress and best times • Light, dark, system, and extra board themes • Save unfinished games automatically Free play includes classic puzzles, notes, undo, timer, basic stats, and limited hints. Pro is a one-time upgrade for unlimited puzzles, advanced difficulty, deeper assistance, auto notes, full statistics, and extra customization. Whether you call it Sudoku, number place, or a daily brain puzzle, Sudoku++ is designed to feel calm, readable, and satisfying every time you open the board.
Challenge! Sudoku
Engage in classic Sudoku puzzles with a competitive edge. Challenge players globally and locally to achieve top rankings on leaderboards. Customize difficulty levels to suit your skill, from beginner to expert.
- Global ranking system
- Compete with friends
- Multiple difficulty levels
- User-friendly interface
- Record sharing
Read full descriptionHide full description
* Introduction Our Sudoku app offers a simple yet addictive classic puzzle. Compete with other users and aim for the top position on the Sudoku rankings. * Key Features Ranking System: Share Sudoku records with players worldwide and compete on the rankings. Various Difficulty Levels: Suitable for beginners to experts, with customizable difficulty settings. Compete with Friends: Share Sudoku records with friends and compete together. User-Friendly Interface: Enjoy playing Sudoku with an intuitive and easy-to-use interface. * How to Get Started Choose your preferred Sudoku difficulty. Solve Sudoku puzzles and achieve records. Compete with others to rank higher on the leaderboard! Use our Sudoku app to improve your skills and aspire to become the Sudoku champion of the world!
Screenshots
Verdict
Sudoku ++ and Challenge! Sudoku both sit at 5.0 stars, but that hides the real split: 100% of Challenge! Sudoku's written reviews are positive against 12% of Sudoku ++'s. Challenge! Sudoku also leads on in-app purchases (none vs 1) and update cadence (every 2 days vs weekly). Sudoku ++'s advantage is device support (4 vs 2). On price, rating, ratings volume and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Sudoku ++ sells 1 one-off in-app purchase. Challenge! Sudoku asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Sudoku ++ against 5.0 for Challenge! Sudoku. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews are what separate them: 12% of Sudoku ++'s written reviews are positive against 100% of Challenge! Sudoku's.
Sudoku ++ ships an update weekly, Challenge! Sudoku every 2 days. The most recent releases landed on October 23, 2026 and October 17, 2026 respectively.
| Parameter | Sudoku ++ | Challenge! Sudoku |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) | 5.0 (2 ratings) |
| Positive reviews | 11.9% of reviews | 100.0% of reviews — better |
| Number of ratings | 4 — better | 2 |
| Update frequency | Weekly | Every 2 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | Free — better |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 35 MB | 58 MB |
| Age rating | 4+ | 4+ |
| Developer | VM Mobile Team | kyulabs |
Customer experience
Sudoku ++
Challenge! Sudoku
In-app purchases
Sudoku ++
- Premium$4.99
Challenge! Sudoku
No in-app purchases
Questions
Is Sudoku ++ free?
Is Challenge! Sudoku free?
Which has better reviews, Sudoku ++ or Challenge! Sudoku?
Do Sudoku ++ or Challenge! Sudoku have ads?
Which is updated more often, Sudoku ++ or Challenge! Sudoku?
Other comparisons















