Comparison

Sudoku Solver Doku vs ChessScope AI

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

Head to head
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

About

ChessScope AI

Features
Read full description

Stuck on a position? Let ChessScope AI find the winning move. Point your camera at any chess screen or screenshot and get Stockfish's best move in seconds explained in plain language so you actually understand why it works. Most apps stop at one move. ChessScope shows you the whole plan: step through the next 5 moves of the winning line, one tap at a time, and see exactly how the position unfolds. Whether you're reviewing a game, solving a puzzle, or stuck mid-match, ChessScope turns any position into instant, grandmaster-level insight. What you can do: • Snap any screen, screenshot, or streamed game • Get the best move in seconds, powered by Stockfish • Step through up to 5 moves ahead — see the full winning line, not just one move • Understand the why with clear AI explanations, not just arrows • Paste a FEN for instant analysis, no photo needed • Track your positions with full analysis history • Solve a daily tactical puzzle, with built-in hints at your own pace Now available in English, French, Spanish, German, Portuguese, and Japanese. Start free with 5 analyses, no account required. Go Premium to unlock unlimited photo analyses, unlimited AI explanations, and your complete history. Improve faster, one position at a time. Download ChessScope AI and never wonder "what's the best move?" again. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Sudoku Solver Doku4 screens
ChessScope AI4 screens

Verdict

The call

The clearest difference is update cadence: ChessScope AI at every 6 days against Sudoku Solver Doku's fortnightly. On price, ads, in-app purchases 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 and ChessScope AI sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Sudoku Solver Doku ships an update fortnightly, ChessScope AI every 6 days. The most recent releases landed on October 30, 2026 and November 10, 2026 respectively.

Scorecard1 real difference · 8 level
Sudoku Solver Doku versus ChessScope AI: the parameters behind the verdict, then further details
ParameterSudoku Solver DokuChessScope AI
PriceFreeFree
Rating1.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyFortnightlyEvery 6 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.615.1 — better
Further details — not scored
Size16 MB40 MB
Age rating4+4+
Developer1MB SAAS SLCedric Guegan

In-app purchases

2 purchases

Sudoku Solver Doku

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

ChessScope AI

Subscriptions1
  • ChessScope AI Pro$1.991 Month

Questions

Is Sudoku Solver Doku free?
Sudoku Solver Doku is free to download, with in-app purchases available.
Is ChessScope AI free?
ChessScope AI is free to download, with in-app purchases available.
Do Sudoku Solver Doku or ChessScope AI have ads?
Neither Sudoku Solver Doku nor ChessScope AI shows ads.
Which is updated more often, Sudoku Solver Doku or ChessScope AI?
Sudoku Solver Doku ships an update fortnightly, and ChessScope AI every 6 days. Most recently, Sudoku Solver Doku was updated on October 30, 2026 and ChessScope AI on November 10, 2026.

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