About
This logic puzzle game offers a unique approach to learning how to solve number grids. Instead of simply revealing answers, it provides intelligent, step-by-step guidance on logical strategies and note-taking to help you master the puzzles.
What's New in Calcudoku
1.1
September 10, 2026
• New Tutorial Mode – Explain the basics of the UI and how to solve Calcudoku puzzles • Solving Strategy Updates – Refined underlying logic and strategy guidance • Screen Zoom Support – Smoother, better-proportioned UI layouts when system screen zoom is active • High-resolution support: Fixed grainy icons and adjusted badge placements on larger screens/iPads • Under-the-hood stability and error logging improvements
MoreFAQ
Does Calcudoku have ads?
Yes, Calcudoku contains advertisements. This allows the game to be offered for free to players.
How does Calcudoku teach you to solve puzzles?
Calcudoku provides intelligent, step-by-step guidance that analyzes your grid state and explains logical next steps. It focuses on strategies like note-taking, elimination, and candidate pruning rather than just giving away answers.
Can I play Calcudoku offline?
Yes, Calcudoku features an offline-first architecture, allowing you to play anywhere without needing a Wi-Fi connection.
What types of arithmetic are included in Calcudoku puzzles?
Calcudoku puzzles feature a complete variety of arithmetic operations, including addition, subtraction, multiplication, and division loops.
What devices is Calcudoku available on?
Calcudoku is available on iPhone, iPad, and iPod devices.
How often is Calcudoku updated?
The latest version of Calcudoku is 1.1, and it was last updated on September 10, 2026. Updates typically bring improvements and new content.
What is the age rating for Calcudoku?
Calcudoku has an age rating of 4+, making it suitable for a wide range of players.
Does Calcudoku offer different difficulty levels?
Yes, Calcudoku offers grids for every skill level, ranging from quick 4x4 warmups to more challenging 9x9 math matrices.