About Sudoku Coach
Sudoku Coach teaches you how to solve the most difficult sudoku puzzles using more than 54 strategies. You can submit your own puzzle or select one from those available with the application. You can solve the puzzle...
Sudoku Coach teaches you how to solve the most difficult sudoku puzzles using more than 54 strategies.
You can submit your own puzzle or select one from those available with the application.
You can solve the puzzle yourself or you request Sudoku Coach to solve it step by step, with graphics and text explanations about each applied strategy.
Available strategies :
- SINGLES
- NAKED PAIRS
- NAKED TRIPLES
- HIDDEN PAIRS
- HIDDEN TRIPLES
- NAKED QUADS
- HIDDEN QUADS
- POINTING PAIR
- POINTING TRIPLE
- BOX REDUCTION
- X-WING
- FINNED X-WING
- SASHIMI FINNED X-WING
- FRANKEN X-WING
- FINNED MUTANT X-WING
- SKYSCRAPER
- SIMPLE COLOURING
- Y-WING
- W-WING
- SWORDFISH
- FINNED SWORDFISH
- SASHIMI FINNED SWORDFISH
- FRANKEN SWORDFISH
- MUTANT SWORDFISH
- FINNED MUTANT SWORDFISH
- SASHIMI FINNED MUTANT SWORDFISH
- SUE DE COQ
- XYZ-WING
- X-CYCLE
- BI-VALUE UNIVERSAL GRAVE
- XY-CHAIN
- 3D MEDUSA
- JELLYFISH
- FINNED JELLYFISH
- SASHIMI FINNED JELLYFISH
- AVOIDABLE RECTANGLE
- UNIQUE RECTANGLE
- EXTENDED UNIQUE RECTANGLE
- HIDDEN UNIQUE RECTANGLE
- WXYZ-WING
- FIREWORK
- SUBSET EXCLUSION
- EMPTY RECTANGLE
- SUE DE COQ EXTENDED
- SK LOOP
- SK LOOP VARIANTS
- EXOCET
- ALMOST LOCKED SET
- PATTERN OVERLAY
- ALTERNATING INFERENCE CHAIN
- DIGIT FORCING CHAINS
- NISHIO FORCING CHAINS
- CELL FORCING CHAINS
- UNIT FORCING CHAINS
- ALMOST LOCKED SET FORCING CHAINS
- DEATH BLOSSOM
- BOWMAN BINGO
Previous Versions
Here you can find the changelog of Sudoku Coach since it was posted on our website on 2017-01-03 02:59:49.
The latest version is 2.6.21 and it was updated on 2026-06-10 22:51:23. See below the changes in each version.
Sudoku Coach version 2.6.21
Updated At: 2026-06-02
Changes: Minor enhancements
Sudoku Coach version 2.6.20
Updated At: 2025-08-03
Changes: I have fixed a bug in the tutorial and implemented some minor improvements
Sudoku Coach version 2.6.16
Updated At: 2025-07-11
Changes: I have improved the layout on some types of devices
Sudoku Coach version 2.6.13
Updated At: 2025-05-19
Changes: improved layout
Sudoku Coach version 2.6.11
Updated At: 2025-04-12
Changes: some additional minor improvements
Sudoku Coach version 2.6.10
Updated At: 2025-04-08
Changes: I have fixed an issue with the display of candidates during a sequence of "undo" and another one relating to wrong inputs
Sudoku Coach version 2.6.7
Updated At: 2025-03-11
Changes: I've corrected a bug
Sudoku Coach version 2.6.6
Updated At: 2025-01-18
Changes: a new parameter in the "Settings" allows to choose between the current behavior and an "intensive" training, i.e. trying to apply the selected strategy before any other (easier) strategy
Sudoku Coach version 2.6.5
Updated At: 2025-01-08
Changes: the app can now run on PC
Sudoku Coach version 2.5.14
Updated At: 2024-12-15
Changes: performance improvement (hopefully)
Disclaimer
Official Google Play Link
We do not host Sudoku Coach on our servers. We did not scan it for viruses, adware, spyware or other type of malware. This app is hosted by Google and passed their terms and conditions to be listed there. We recommend caution when installing it.
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