Classic Sudoku!
Puzzle · Paid · 4.7 out of 5 from 250 ratings
Hand-crafted Sudoku puzzles from YouTube's Cracking The Cryptic, with advanced solving techniques and thoughtful difficulty progression.
Ask the finder — grounded in real reviews:
GenrePuzzle
PricePaid
Difficultyvariable
Ad intensitynone
In-app-purchase pressurenone
Typical sessionvariable
DeveloperNick Carney
Rating4.7 out of 5 from 250 ratings
What players like
- Hand-crafted puzzles with rigorous play-testing
- Excellent progression across difficulty levels
- Helpful hints teach solving techniques
- Advanced notation options (center/corner marks)
- Clean, polished interface with highlighting features
Common complaints
- Some puzzles have incorrect or misleading hints
- UI confusing in places (color marking tool, white flag timer)
- Number buttons too small, leading to accidental taps
- iPad keyboard support missing
- Some puzzles may lack unique solutions
What real reviews say
★★★★ good stuff love it. great puzzle quality. a few glitches. for example, i finish some puzzle but then the timer keeps counting for some reason, and then there’s a white flag. what’s that mean?
★ App Too Confusing Don’t waste your money. This app is way too confusing to use. Sudoku is a simple game. This app makes playing it almost impossible.
★★★★ Good play, unreliable hints The game is well designed, easy to play, and offers advanced puzzles. However, the hints are sometimes wrong. Rather than use the r#r#c#c# schema, perhaps table headings with alphanumeric coding on the x and y axes may help prevent the hint errors.
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Data: Apple App Store, as of 2026-07-10. Last updated 2026-07-10.