Comparison

Sudoku Puzzles SDG vs Seven7

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 4 difficulty levels
  • Mistake and number highlighting
  • Note keeping
  • Hint option
  • Autosave
  • Ranking lists
Features
Read full description

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.

About

Seven7

Features
Read full description

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

Sudoku Puzzles SDG4 screens
Seven74 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Seven7 sells 3 one-off in-app purchases. Sudoku Puzzles SDG asks for nothing beyond the download.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 7 level
Sudoku Puzzles SDG versus Seven7: the parameters behind the verdict, then further details
ParameterSudoku Puzzles SDGSeven7
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 47 monthsEvery 3 days — better
AdsYesYes
In-app purchasesNo — betterYes
MonetizationAd-supported—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size12 MB9 MB
Age rating4+12+
DeveloperSDG CODE DOO NISBurak Cicek

In-app purchases

None

Sudoku Puzzles SDG

No in-app purchases

3 purchases

Seven7

One-time3
  • 1 Heart$0.99
  • 2 Hearts$1.99
  • 3 Hearts$2.99

Questions

Is Sudoku Puzzles SDG free?
Sudoku Puzzles SDG is free to download, with no in-app purchases.
Is Seven7 free?
Seven7 is free to download, with in-app purchases available.
Do Sudoku Puzzles SDG or Seven7 have ads?
Both Sudoku Puzzles SDG and Seven7 show ads.
Which is updated more often, Sudoku Puzzles SDG or Seven7?
Sudoku Puzzles SDG ships an update every 47 months, and Seven7 every 3 days. Most recently, Sudoku Puzzles SDG was updated on November 2, 2026 and Seven7 on December 6, 2025.

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