--- title: "Killer Sudoku Pro - Reviews, Revenue and Downloads in Brazil | Apple App Store" description: "Killer Sudoku represents the evolution of classic number puzzles. This implementation delivers a professional-grade experience with rigorous validation and optimized puzzle generation. TECHNICAL SPEC" --- # Killer Sudoku Pro — Brazil ![Killer Sudoku Pro App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/99/7b/28/997b28f4-5799-de39-10fa-ae98f8c98201/AppIcon-0-0-1x_U007ephone-0-5-85-220.png/434x0w.png) **Developer:** [晓 郭](https://apptail.io/developer/developer-XLyahc) **Category:** Games **Rating:** N/A (0 ratings) **Price:** Free **Bundle ID:** com.ai50team.killersudoku **Store:** Apple App Store **Country:** Brazil **Version:** 1.0.0 (released 2026-05-20) **Original Release:** 2026-05-20 **Languages:** English **App Store Link:** [Download on Apple App Store](https://apps.apple.com/br/app/app/id6770951811) **AppTail Page:** [https://apptail.io/app/killer-sudoku-pro-IQNz/brazil](https://apptail.io/app/killer-sudoku-pro-IQNz/brazil) ## Killer Sudoku Pro Description Killer Sudoku represents the evolution of classic number puzzles. This implementation delivers a professional-grade experience with rigorous validation and optimized puzzle generation. TECHNICAL SPECIFICATIONS: • 9×9 grid with standard Sudoku constraints (row/column/box uniqueness) • Cage partitioning algorithm generates 15-35 cages per puzzle • Target sum constraints with intra-cage non-repetition rule • Three calibrated difficulty tiers: - Easy: 1-3 cell cages, 12 given cells - Medium: 1-4 cell cages, 6 given cells - Hard: 1-5 cell cages, 0 given cells (pure deduction) VALIDATION ENGINE: Real-time conflict detection monitors: • Row duplicates (horizontal constraint) • Column duplicates (vertical constraint) • Box duplicates (3×3 region constraint) • Cage duplicates (intra-cage uniqueness) • Cage sum overflow (partial sum exceeds target) • Cage sum mismatch (completed cage sum ≠ target) PERFORMANCE METRICS: • Puzzle generation: under 2 seconds (optimized backtracking algorithm) • Auto-save: 500ms debounced writes to UserDefaults • Undo stack: 100-step history with O(1) rollback • Timer resolution: 1-second precision with pause/resume USER INTERFACE DESIGN: • Dashed cage boundaries with 2pt inset rendering • Head cell displays target sum (smallest index in cage) • Cage completion state: green overlay for correct sums • Related cell highlighting (same row/column/box) • Cage highlighting (all cells in selected cage) • Note mode: 3×3 candidate grid per cell ALGORITHMIC GUARANTEES: • Every puzzle has exactly one valid solution • Cage partitioning ensures logical solvability • No guesswork required—pure deductive reasoning Optimized for iOS 16+. 100% offline operation. Zero network dependencies. ## Killer Sudoku Pro Screenshots - [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/12/44/ff/1244ff48-de7d-76ee-f6a2-ef2372e34399/screenshot-1-01.png/1284x2778.png) - [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/15/95/51/159551cd-1d44-80c0-726c-45dfdd6bfdb6/screenshot-2-02.png/1284x2778.png) - [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/03/62/a8/0362a8d7-f49d-23d1-a467-6e69ba9d1015/screenshot-3-03.png/1284x2778.png) - [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/7e/d3/e5/7ed3e545-2cb9-cc82-d5e2-004bb098473d/screenshot-4-04.png/1284x2778.png) ## Killer Sudoku Pro Available In - [United Arab Emirates](https://apptail.io/app/killer-sudoku-pro-IQNz/united-arab-emirates) - [Argentina](https://apptail.io/app/killer-sudoku-pro-IQNz/argentina) - [Austria](https://apptail.io/app/killer-sudoku-pro-IQNz/austria) - [Brazil](https://apptail.io/app/killer-sudoku-pro-IQNz/brazil) - [Canada](https://apptail.io/app/killer-sudoku-pro-IQNz/canada) - [Colombia](https://apptail.io/app/killer-sudoku-pro-IQNz/colombia) - [Germany](https://apptail.io/app/killer-sudoku-pro-IQNz/germany) - [Denmark](https://apptail.io/app/killer-sudoku-pro-IQNz/denmark) - [United Kingdom](https://apptail.io/app/killer-sudoku-pro-IQNz/united-kingdom) - [Philippines](https://apptail.io/app/killer-sudoku-pro-IQNz/philippines) - [Poland](https://apptail.io/app/killer-sudoku-pro-IQNz/poland) - [Romania](https://apptail.io/app/killer-sudoku-pro-IQNz/romania) - [Singapore](https://apptail.io/app/killer-sudoku-pro-IQNz/singapore) - [Uruguay](https://apptail.io/app/killer-sudoku-pro-IQNz/uruguay) - [South Africa](https://apptail.io/app/killer-sudoku-pro-IQNz/south-africa) --- ## About AppTail [AppTail](https://apptail.io) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. Track your app's performance, discover ranking keywords, monitor competitors, and analyze market trends. - [Search Apps](https://apptail.io) - [Top Charts](https://apptail.io/top-iphone-apps) - [Sign Up for Full Access](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=footer) *Data provided by [AppTail](https://apptail.io) - Mobile App Intelligence Platform*