Sudoku Star vs Basic NumberPlace Red
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Sudoku Star
This is a classic Sudoku puzzle game designed for enthusiasts. It offers unlimited games, multiple difficulty levels, and advanced features like pencil marks and error highlighting. Enjoy a clean interface optimized for playability on iOS devices.
- Unlimited Sudoku games
- Five difficulty levels
- Built-in solver
- Autosave and restore
- Game statistics tracking
- Automatic and manual pencil marks
- Color-coded error and conflict highlighting
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Sudoku game optimized for serious Sudoku players! Check out our reviews: "Best Sudoku. Best one out there. Great game play." "Best? Yes it is! I've played my share of sudoku games, and this one tops them" "Hands down, this is the best sudoku implementation on the iPhone." "The best iPhone Soduku game there is. Intuitive and easy to learn user interface, with all the the right features and functions." "Best Sudoku on any computer. This is the best Sudoku that I have seen for any computing device." "This is the best sudoku! I love sudoku and I downloaded and paid for a lot of different sudoku games, but this is the only one I kept on my iPhone and the only one I've kept playing. Thanks for doing such an awesome job on this game!" "Now try the best. Tried/bought numerous 'top-rated' Sudoku apps and they all have something to offer; this is the one I actually play. Wish I would have found this one earlier." "Great Sudoku for iPhone! The best iPhone Sudoku game there is." "Wow. Believe the reviews. Sudoku Star is that good." Platform: • Universal app for iPhone + iPad, iOS 15 or later • Optimized for all iPhone and iPad screen sizes Basics: • Unlimited number of games, five doubly-graded levels of play • Symmetric games with unique solutions • Six built-in color schemes • Built-in solver • Autosave and restore of game in progress • Game stats: wins, best/average times, percentile, trend, mistakes Gameplay automation: • Both automatic and manual pencil marks • Integrated, graduated hint system • Bookmarks stack for trial-and-error backtracking Visualization: • Optional color-coded errors • Optional color-coded conflicts • Optional highlighting of selected digits and marks • Digits done feedback Great user interface: • Both digit-first and cell-first entry • Large, easy-to-read digits • Unlimited undo and redo, undo to last correct • No pop-up entry menus covering board • All key features accessible from main screen • Optimized to maximize playability • Respects your privacy, collects no data linked to you
Basic NumberPlace Red
This game challenges players to fill a 9x9 grid with numbers 1-9. Numbers must not repeat in any row, column, or 3x3 subgrid. The game provides a partially filled grid to start.
- 9x9 grid puzzle
- Number placement 1-9
- Row, column, and 3x3 subgrid rules
- Pre-filled numbers
- Sudoku gameplay
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"Number Place Red" is a game where players enter numbers 1 to 9 in 9 by 9 cells, which consist of 9 sets of 3 by 3 cells, in columns, rows, and 3 by 3 cells without overlapping any two of them. - The 9 by 9 cells, which consist of 9 groups of 3 by 3, already contain the numbers in question. - If you manage to enter numbers 1 to 9 in columns, rows, and 3 by 3 cells without overlaps based on the numbers in question, the game is over. Number Place = Sudoku( 数独 ) Numpre!
Screenshots
Verdict
The clearest difference is rating: Basic NumberPlace Red at 5.0 against Sudoku Star's 4.5. Basic NumberPlace Red also leads on monetization model (free vs ad-supported) and iOS requirement (7.0 vs 15.5). On price, ratings volume, update cadence and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Basic NumberPlace Red holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
Sudoku Star ships an update every 12 months, Basic NumberPlace Red every 21 months. The most recent releases landed on October 3, 2026 and October 4, 2026 respectively.
| Parameter | Sudoku Star | Basic NumberPlace Red |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (2 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 12 months — better | Every 21 months |
| Ads | — | No |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.5 | 7.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Wildcrest Associates | RUCKYGAMES CO., LTD. |
Customer experience
Sudoku Star
Basic NumberPlace Red
In-app purchases
Sudoku Star
No in-app purchases
Basic NumberPlace Red
No in-app purchases
Questions
Is Sudoku Star free?
Is Basic NumberPlace Red free?
Which has better reviews, Sudoku Star or Basic NumberPlace Red?
Which is updated more often, Sudoku Star or Basic NumberPlace Red?
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