Calcudoku: Math Logic Puzzles
LogicSmith Games iPhoneiPadiPod touch
Calcudoku: Math Logic Puzzles is a free Games app for iPhone and iPad by LogicSmith. Rated 5.0/5 from 2 ratings. Requires iOS 15.0. Updated October 1, 2026.
- Rating
- 5.0
- 2 ratings
- Price
- Free
- on the App Store
- Size
- 104 MB
- Age 4+
- Updated
- Oct 1
- 2026 · v1.2
Screenshots
About Calcudoku: Math Logic Puzzles
Tired of puzzle games that just give you the answer when you get stuck? Welcome to a smarter way to play Calcudoku. Whether you are a seasoned veteran or a logic puzzle beginner, our app doesn’t just show you where numbers go—it teaches you how to find them. --- THE SMART DIFFERENTIATOR --- When you hit a wall, our built-in helper analyzes your exact grid state and explains the logical next step. Instead of ruining the puzzle by solving the cell for you, the engine guides you through advanced grid strategies. You’ll learn how to cross-reference cages, update your notes, and look for cell candidate reductions so you can solve the grid completely on your own. --- KEY GAME FEATURES --- • INTELLIGENT EXPLANATIONS: Step-by-step guidance focused on note-taking, elimination strategies, and candidate pruning. • OPTIONAL AUTO NOTES: Start new games with notes in cells based on cage arithmetic. • SMOOTH NOTES: Rapidly input and edit candidate notes with an intuitive, fluid UI built for mobile screens. • COMPLETE ARITHMETIC VARIETY: Choose grids featuring addition, subtraction, multiplication, and division loops. • GRIDS FOR EVERY SKILL LEVEL: Play everything from quick 4x4 warmups to grueling, massive 9x9 math matrices. • POLISHED INTERFACE: Full native dark mode support, crisp typography, and an offline-first architecture so you can play anywhere without Wi-Fi. Master the grid, elevate your deduction skills, and train your brain with a game that actually makes you a better solver.
What’s new
Version 1.2 · Updated October 1, 2026
• Tutorial tweaks based on user feedback • Made puzzle grid taller and notes bigger • Bug fixes • Refreshed set of puzzles
Play today's Queens puzzle
One queen in every row, column and color. A free daily puzzle from Fiplay, same board for everyone. It plays right here, no download.
App privacy
The developer, LogicSmith, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers: Device ID
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Location: Coarse Location
- Identifiers: Device ID
- Usage Data: Product Interaction, Advertising Data
Used for: Third-Party Advertising, Developer’s Advertising or Marketing, Analytics, App Functionality
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Diagnostics: Performance Data, Other Diagnostic Data, Crash Data
Used for: Third-Party Advertising, Developer’s Advertising or Marketing, Analytics, App Functionality
Alternatives to Calcudoku: Math Logic Puzzles
Looking for apps like Calcudoku: Math Logic Puzzles? Here are 6 similar apps on the App Store. The highest rated is SootheQuest (5.0/5), and all 6 are free to download.
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Sudoku Ladder
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Killer Sudoku Pro
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SootheQuest
5.0
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LineaLogic - Logic Puzzle
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Mad Sudoku
-
Final Fortress
4.0
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Calcudoku: Math Logic Puzzles | 5.0 / 5 (2 ratings) | Free | October 1, 2026 | |
| Sudoku Ladder | – | Free | Aug 17, 2026 | Compare |
| Killer Sudoku Pro | – | Free | May 20, 2026 | Compare |
| SootheQuest | 5.0 / 5 (1) | Free | Sep 28, 2026 | Compare |
| LineaLogic - Logic Puzzle | – | Free | Sep 7, 2026 | Compare |
| Mad Sudoku | – | Free | Oct 5, 2026 | Compare |
| Final Fortress | 4.0 / 5 (1) | Free | Sep 29, 2026 | Compare |