Sudoku vs ONE KILLER LEFT
Price, ratings, monetisation and update history for both games, side by side ā with what reviewers say about each.
Sudoku
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**Sudoku ā A Minimal, Competitive & Premium Sudoku Experience** Experience classic Sudoku with a clean design, global rankings, and detailed statistics that help you improve your skills. ā HOW TO PLAY ā Fill the 9x9 Sudoku grid by placing numbers from 1 to 9. Each row, column, and 3x3 box must contain every number only once. Simple rules, endless strategies. ā FEATURES ā ⢠4 difficulty levels: Easy, Medium, Hard, and Expert ⢠Smart notes: Mark possible numbers in each cell ⢠Hint system: Get help when you are stuck ⢠Undo: Correct your previous moves ⢠Save your progress and continue anytime ⢠Dark and Light themes ⢠English and Turkish language support ā GLOBAL COMPETITION ā Earn points every time you complete a Sudoku puzzle. Climb the global leaderboard and progress through 7 ranks, from New Player to Legendary. Track your statistics: ⢠Win rate ⢠Average solving time ⢠Global ranking ā PREMIUM EXPERIENCE ā Enjoy Sudoku without ads and unlock the challenging Expert mode with Premium. Expert mode tests your speed, focus, and strategic thinking. You can cancel your subscription anytime. For Sudoku players who want more than just solving puzzles. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
ONE KILLER LEFT
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A name hidden among thousands. No luck, no shortcuts: every clue is a verifiable fact, and only one person fits them all. ONE KILLER LEFT is a pure deduction game, inspired by the mass-elimination mystery books taking off worldwide. Read the clues, cross out whoever doesn't fit, and keep going until only one name remains. FOUR LEVELS, FOUR CHALLENGES Ā· Easy (~100 names) ā learn the mechanic in 10 minutes. Ā· Medium (~500 names) ā now you're cross-referencing multiple clues at once. Ā· Hard (~2,000 names) ā for players who want a real challenge. Ā· Impossible Case (40,000 names) ā the flagship mode. This won't be solved in one sitting: your progress saves itself, and you can come back anytime until it's cracked. CASE OF THE DAY A new case every day, the same one for everyone. Compete with yourself, compare results with friends, keep your streak alive. NO SHORTCUTS, UNLESS YOU CHOOSE THEM In the smaller levels, everything is done by hand ā like a book and a pencil. In the Impossible Case, you can apply automatic discards if you prefer, but solving it 100% by hand earns its own reward: a badge that shows it. NO ACCOUNT, NO SIGN-UP Just open the app and play. Your progress, rank, and streak are saved right on your device. Do you dare take on 40,000?
Screenshots
Verdict
The clearest difference is ads: Sudoku at none against ONE KILLER LEFT's shown. ONE KILLER LEFT's advantage is update cadence (every 4 days vs every 2 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Sudoku sells 4 in-app purchases, starting at $1.99 per 7 days and ONE KILLER LEFT sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Sudoku ships an update every 2 weeks, ONE KILLER LEFT every 4 days. Both last shipped on October 8, 2026.
| Parameter | Sudoku | ONE KILLER LEFT |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Every 4 days ā better |
| Ads | No ā better | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 ā better | 15.1 |
| Further details ā not scored | ||
| Size | 60 MB | 41 MB |
| Age rating | 4+ | 9+ |
| Developer | Fehmi Velioglu | RICARDO GONZALEZ ESCALERA |
In-app purchases
Sudoku
- Weekly Premium$1.997 Days
- Monthly Premium$1.997 Days
- Monthly Premium$4.991 Month
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- Yearly Premium$29.991 Year
ONE KILLER LEFT
- 5 Discards$0.99
- Remove Ads$2.99
Questions
Is Sudoku free?
Is ONE KILLER LEFT free?
Do Sudoku or ONE KILLER LEFT have ads?
Which is updated more often, Sudoku or ONE KILLER LEFT?
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