Sufuku vs sDoku
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Sufuku compared with sDoku
| Detail | 
Sufuku | 
sDoku |
|---|
| What it does | A daily logic puzzle where each number repeats as many times as its value
| A sudoku app printed like a vintage newspaper with daily puzzles and league tables
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| Stage | Not given
| Startup
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| Founded | Not given
| 2024
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| Based in | Not given
| SK
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| Pricing model | Not given
| Freemium
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| Pricing | Not given
| Free: daily puzzle, 3 archive puzzles per day, 3 editor corrections per day. Press pass: monthly or yearly subscription, or one-time Patron edition for unlimited archive puzzles and unlimited editor corrections.
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| Key features | - 6×6 board with rows, columns and regions
- Each number appears as many times as its value
- One solution per puzzle
- Gold clue numbers
- New puzzle daily at 2:00 AM
| - Archive of puzzles in four difficulty levels
- Pencil marks for note-taking
- Public league tables ranking solve times
- Editor hints and corrections
- Press cuttings with long-term achievement goals
- Multiple paper stock designs
- Fully offline functionality
- Data export and account deletion
- Cross-device synchronization with free account
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| What makes it different | - Pure deduction with no guessing required
- Progressive difficulty throughout the week
- Constraint-based puzzle mechanics where numbers repeat by value
| - Vintage newspaper-style design with serif masthead and rubber stamp interface
- Shared daily puzzle creating a community experience
- Complete privacy with no ads or third-party trackers
- Fully functional offline with on-device data storage
- Difficulty graded by actual solving techniques rather than clue counts
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 3 ▲ +1 (up) since last check | 21 ● no change since last check |
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| Trust Flow (Majestic) | 3 | 0 |
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| Citation Flow (Majestic) | 23 | 20 |
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| Referring domains (Majestic) | 27 | 10 |
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3 details filled in for both companies.
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