Sudoku Puzzles SDG vs Seven7
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Sudoku Puzzles SDG
Sharpen your mind with this classic Sudoku game. It offers four difficulty levels, a user-friendly interface, and helpful tools like mistake highlighting and hints to aid your progress. Track your performance with ranking lists and never lose your game thanks to autosave.
- 4 difficulty levels
- Mistake and number highlighting
- Note keeping
- Hint option
- Autosave
- Ranking lists
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In need of a great game to get your thinking sharper, focus clearer and mental processes stronger? You’ve come to the right place. Our Sudoku app helps you strengthen your logical skills one puzzle at a time. Thanks to its simple design, responsive interface and 4 levels of difficulty, our app gives you enough reason and challenge to practice your Sudoku skills every day. With a number of unique features, including mistake and number highlighting, history undo/redo option, note keeping and hint option, our Sudoku app also provides you with enough support to solve each puzzle. The autosave option allows you to exit the game while still keeping the data from the last puzzle saved. And for an easy monitoring of your progress, we’ve added the ranking list option for each level. Download it now free of charge and see just how awesome it is! Features - 4 difficulty levels - Simple, responsive design - User-friendly interface - Ranking list for every level - Autosave for the last puzzle - Number highlight - Mistake highlight - History undo/redo - Note keeping - Hint option Thank you for taking the time to review our application.
Seven7
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Seven7 is a different type of puzzle game! Start finding 7 but be careful to opposed number. Have fun and train your brain. It will help you to think different. · In Seven7, the purpose is to find 7 by addition of numbers. · You can add numbers by vertically and horizontally. · In every level, there will be another number that opposed 7. · Try to find 7 but at the same time be careful to not leave addition of opposed number. We hope you enjoy playing Seven7. Please leave us feedback to understand what do you like and what would you like us to improve.
Screenshots
Verdict
The clearest difference is in-app purchases: Sudoku Puzzles SDG at none against Seven7's 3. Seven7's advantage is update cadence (every 3 days vs every 47 months). On price, ads, device support and iOS requirement 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. Seven7 sells 3 one-off in-app purchases. Sudoku Puzzles SDG asks for nothing beyond the download.
Sudoku Puzzles SDG ships an update every 47 months, Seven7 every 3 days. The most recent releases landed on November 2, 2026 and December 6, 2025 respectively.
| Parameter | Sudoku Puzzles SDG | Seven7 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 47 months | Every 3 days — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 12 MB | 9 MB |
| Age rating | 4+ | 12+ |
| Developer | SDG CODE DOO NIS | Burak Cicek |
In-app purchases
Sudoku Puzzles SDG
No in-app purchases
Seven7
- 1 Heart$0.99
- 2 Hearts$1.99
- 3 Hearts$2.99









