SudokuWiki Solver

59 reviews
Content rating
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About this game

The culmination of nine years of development and community feedback, The Sudoku Solver by Andrew Stuart will work with you to help solve your trickiest puzzles. Features include:

- Step-by-step walk-through plus the grading and solution counter as seen on

- Strategy Guides
Included are all the strategy documentation and each example can be loaded into the solver at a click.

- 364 Practice Puzzles containing examples of specific strategies.

- Favourites
Keep track of the puzzles you solve with an almost limitless list entry - each nameable.

- Daily Puzzles
The app can download the four 'daily' puzzles from and the weekly 'unsolvable' puzzle.

- Hint Mode
New to the solver - Instead of just "Take Step" use "Hint" to give you the strategy to look for without revealing the whole answer.

- Resume / Back
Better than the website with real 'state' saving - quit and resume any time, step backward to any point and redo.

- Email
Send to your friends via Email. Links back to the solver enable easy loading of shared puzzles.

This mirrors and adds to all the features found at the famous web site. We hope you enjoy using it.
Updated on
Apr 23, 2022

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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Ratings and reviews

51 reviews
A Google user
October 5, 2018
This is an excellent tool for showing strategies and explaining the reasoning within the step. Few solvers do this, and even fewer have this many methods implemented. I have two recommendations. One is to allow the user to select the order in which algorithms are tried, not just which ones to use. I have found a couple of puzzles where the solver gets stuck when it solved a step using a method earlier on a list when another would have opened up more possibilities for eliminations. A couple of unsolvable puzzles aren't so unsolvable with a bit of manual input that simply substitutes a method. Another is to implement more purely mathematical solving methods. Pattern recognition should always be the first place to go, but there are some human computable algorithms that while often used in computer sciences, can be done on paper within the limited scope context of sudoku cells. I know not everyone wants to delve into abstract algebras, but in reality many of these patterns could be summed up in such terms anyway.
5 people found this review helpful
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Brian Collamer
December 27, 2023
Abandonware apparently. Won't show in app store with an Android 14 device. Too bad as it is a fantastic way to access the sudokuwiki content.....
1 person found this review helpful
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Bill Thomas
May 18, 2022
Works best if you put it in split screen mode to input data from sudoku game.
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