Comparison

Seven7 vs Sudoku

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

Head to head
About

Seven7

Features
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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.

About

Sudoku

Features
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Why You’ll Love Sudoku: 1. Improves Memory & Cognitive Skills: Enhances mental clarity and focus, enhances your attention to detail, and short-term memory 2. Relaxing & Fun: A delightful pastime for people seeking mental stimulation 3. Friendly Design: Designed with a user-friendly interface, perfect for all players 4. A Social Activity: challenge your friends or play with family members Game Features: • 4 Difficulty Levels: Choose your level, from Easy to Expert, and progress at your own pace. • Offline Play: Play anywhere, anytime – no internet connection required. • Unlimited Mistakes: Take your time and make as many mistakes as you need. • Hints: Get helpful suggestions to guide you through challenging puzzles. • Notes: Keep track of possible numbers in each cell to make solving easier. • Achievements: Track your progress and earn rewards for your accomplishments. • Hundreds of Puzzles: Enjoy a variety of puzzles that will challenge and engage you. • Undo Move: Mistakes happen – undo any move and keep going. • Auto Save: Never lose your progress – the game automatically saves your session. • Statistics: Monitor your performance and celebrate milestones. • Night Mode: Play comfortably at night with a relaxing dark theme. How to play Classic Sudoku: 1. Grid Structure: Sudoku is played on a 9x9 grid, subdivided into nine smaller 3x3 grids (blocks). Each Sudoku game board has several cells that are already filled. The more cells are initially filled, the easier the game is. The fewer cells are initially filled, the harder the game is. 2. Objective: Fill the entire grid with digits from 1 to 9. 3. Number Placement: • Each row must contain each digit exactly once. • Each column must contain each digit exactly once. • Each 3x3 block must contain each digit exactly once. 4. No Guessing: Each puzzle has a logical solution that can be reached without guessing. So, download Sudoku today and experience the benefits of a game that sharpens your mind, improves memory, and provides hours of fun!

Screenshots

Seven74 screens
Sudoku4 screens

Verdict

The call

The clearest difference is in-app purchases: Sudoku at none against Seven7's 3. Seven7's advantage is iOS requirement (13.0 vs 15.3). On price, update cadence, ads and device support 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 asks for nothing beyond the download.

UpkeepUpdate frequency

Seven7 ships an update every 3 days, Sudoku every 5 days. The most recent releases landed on December 6, 2025 and October 30, 2026 respectively.

Scorecard2 real differences · 4 level
Seven7 versus Sudoku: the parameters behind the verdict, then further details
ParameterSeven7Sudoku
PriceFreeFree
Update frequencyEvery 3 days — betterEvery 5 days
AdsYesYes
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.3
Further details — not scored
Size9 MB46 MB
Age rating12+4+
DeveloperBurak CicekAleksei Samsonov

In-app purchases

3 purchases

Seven7

One-time3
  • 1 Heart$0.99
  • 2 Hearts$1.99
  • 3 Hearts$2.99
None

Sudoku

No in-app purchases

Questions

Is Seven7 free?
Seven7 is free to download, with in-app purchases available.
Is Sudoku free?
Sudoku is free to download, with no in-app purchases.
Do Seven7 or Sudoku have ads?
Both Seven7 and Sudoku show ads.
Which is updated more often, Seven7 or Sudoku?
Seven7 ships an update every 3 days, and Sudoku every 5 days. Most recently, Seven7 was updated on December 6, 2025 and Sudoku on October 30, 2026.

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