Comparison

Fast Sudoku Solver vs Sudoku Solver Doku

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Fast Sudoku Solver

Instantly solve any Sudoku puzzle with a single click. Simply input the current state of the board, and the application will provide the complete solution.

Highlights
  • Instant Sudoku solving
  • One-click solution
  • Input board state
  • Supports any Sudoku puzzle
Features
Read full description

Solve any Sudoku puzzle. If you stuck on any sudoku, just fill out the board and the solution instantly in one click!

About

Sudoku Solver Doku

Instantly solve any 9x9 Sudoku puzzle with detailed step-by-step explanations. Recognize puzzles from images or enter them manually, and learn advanced solving techniques to improve your skills.

Highlights
  • Smart image recognition for puzzles
  • Manual Sudoku entry
  • Detailed step-by-step solutions
  • Learn advanced solving techniques
  • Solution history tracking
  • Lightning-fast solving
Features
Read full description

Stuck on a Sudoku puzzle? Doku Solver is your ultimate companion for solving any 9×9 Sudoku puzzle instantly with detailed step-by-step explanations. KEY FEATURES: - Smart Image Recognition Simply take a screenshot or photo of any Sudoku puzzle and let our advanced AI instantly recognize and solve it. Works with puzzles from newspapers, magazines, apps, and websites. - Manual Entry Prefer to type it in? Use our intuitive grid interface to manually enter any Sudoku puzzle quickly and easily. - Step-by-Step Solutions Don't just get the answer - learn how to solve it! Every solution includes detailed explanations of the solving techniques used, helping you improve your Sudoku skills. - Learn Solving Techniques Master advanced Sudoku strategies with our comprehensive guide covering techniques from basic elimination to advanced patterns like X-Wing, Swordfish, and more. - Solution History Access all your previously solved puzzles anytime. Review past solutions and track your progress. - Lightning Fast Get your solution in seconds, not minutes. Our powerful solver handles even the toughest puzzles with ease. - 100% Accurate Our solver uses proven algorithmic techniques to guarantee correct solutions every time. PERFECT FOR: - Students learning Sudoku strategies - Puzzle enthusiasts who want to verify their solutions - Anyone stuck on a particularly challenging puzzle - Players looking to improve their solving skills SUPPORTED PUZZLES: - Standard 9×9 Sudoku grids - Easy, Medium, Hard, and Expert difficulty levels - Puzzles from popular Sudoku apps and websites Download Doku Solver today and never get stuck on a Sudoku puzzle again! Privacy Policy: https://www.1mbsaas.com/dokusolver-privacy-policy EULA: https://www.1mbsaas.com/dokusolver-eula

Screenshots

Fast Sudoku Solver3 screens
Sudoku Solver Doku4 screens

Verdict

The call

The clearest difference is rating: Fast Sudoku Solver at 5.0 against Sudoku Solver Doku's 1.0. Fast Sudoku Solver also leads on in-app purchases (none vs 2) and ratings volume (4 vs 1). Sudoku Solver Doku's advantage is update cadence (fortnightly vs every 4 months). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Sudoku Solver Doku sells 2 in-app purchases, starting at $2.99 per 7 days. Fast Sudoku Solver asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Fast Sudoku Solver holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

UpkeepUpdate frequency

Fast Sudoku Solver ships an update every 4 months, Sudoku Solver Doku fortnightly. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

Scorecard6 real differences · 4 level
Fast Sudoku Solver versus Sudoku Solver Doku: the parameters behind the verdict, then further details
ParameterFast Sudoku SolverSudoku Solver Doku
PriceFreeFree
Rating5.0 (4 ratings) — better1.0 (1 ratings)
Positive reviews100.0% of reviews—
Number of ratings4 — better1
Update frequencyEvery 4 monthsFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS10.0 — better16.6
Further details — not scored
Size47 MB16 MB
Age rating4+4+
DeveloperNikita Teplyakov1MB SAAS SL

In-app purchases

None

Fast Sudoku Solver

No in-app purchases

2 purchases

Sudoku Solver Doku

Subscriptions2
  • Premium Weekly$2.997 Days
  • Premium Yearly3 Days trial$17.991 Year

Questions

Is Fast Sudoku Solver free?
Fast Sudoku Solver is free to download, with no in-app purchases.
Is Sudoku Solver Doku free?
Sudoku Solver Doku is free to download, with in-app purchases available.
Which has better reviews, Fast Sudoku Solver or Sudoku Solver Doku?
Fast Sudoku Solver is rated higher. Fast Sudoku Solver averages 5.0 out of 5 from 4 ratings, while Sudoku Solver Doku averages 1.0 from 1 ratings.
Do Fast Sudoku Solver or Sudoku Solver Doku have ads?
Neither Fast Sudoku Solver nor Sudoku Solver Doku shows ads.
Which is updated more often, Fast Sudoku Solver or Sudoku Solver Doku?
Fast Sudoku Solver ships an update every 4 months, and Sudoku Solver Doku fortnightly. Most recently, Fast Sudoku Solver was updated on October 24, 2026 and Sudoku Solver Doku on October 30, 2026.

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