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Calcudoku (Puzzle) Customer Service

About Calcudoku (Puzzle) (Aliaksandr Uvarau)

Train your brain with CalcuDoku, a logic puzzle that combines Sudoku-style thinking with arithmetic challenges. Every puzzle requires careful deduction — no guessing, just pure logic.

With 4,204 offline levels, you’ll always have a new challenge waiting.

How It Works
Fill the grid with numbers so that:
• Numbers do not repeat in any row or column
• Each bold-outlined cage matches its target number using the given operator
Simple rules — deep strategy.

Game Features
• 4,204 offline levels — play anywhere, anytime
• 6 difficulty levels — from 4×4 up to 9×9 grids
• Optional game timer
• Hints when you get stuck
• Undo button
• Automatic save of game state and progress
• Day and night modes
• Supports portrait and landscape orientations

Whether you want a quick 4×4 warm-up or a challenging 9×9 brain workout, CalcuDoku adapts to your skill level.

Sharpen your logic. Improve concentration. Enjoy thousands of satisfying puzzles.

Download now and start solving.
CategoryGames
Release DateMarch 19, 2026
Latest Version1.1
PriceFree
Age Rating12+
CompatibilityRequires iOS 13.0
Last UpdatedApril 13, 2026
Size10 MB
Supported Languages (38)
EnglishSQBGCroatianCzechDanishDutchETFinnishFrenchGermanGreekHindiHungarianISIndonesianItalianJapaneseKoreanLVLTMKMalayNorwegianPolishPortugueseRomanianRussianSRChineseSlovakSLSpanishSwedishThaiTurkishUkrainianVietnamese

What's New in Calcudoku (Puzzle) (v1.1)

Improved access to in-game hints.

Calcudoku (Puzzle) Contact Information

To reach Calcudoku (Puzzle) customer service and technical support, use the official channels below. For the fastest reply, choose the developer's official website.

Company NameAliaksandr Uvarau
Company Websitecoralgames.com.au
Company Email[email protected]
Customer Servicecoralgames.com.au/info
Social MediaFacebook / Twitter

Calcudoku (Puzzle) Subscription, App Deletion & iOS Support

How do I cancel the Calcudoku (Puzzle) subscription?

Open Settings on your iPhone or iPad, tap your Apple ID (your name) at the top, go to Subscriptions, select Calcudoku (Puzzle) from the list and tap Cancel Subscription. Cancellation takes effect at the end of the current billing period; you can keep using the app until then. See Apple's official subscription management page for details.

How do I delete the Calcudoku (Puzzle) app?

Touch and hold the Calcudoku (Puzzle) icon on the Home Screen, choose Remove App and then Delete App. Important: if you have an active subscription, deleting the app does not cancel it automatically - you must first cancel your subscription using the steps above.

Calcudoku (Puzzle) purchases, refunds and billing issues

Report billing or refund requests for Calcudoku (Puzzle) through Apple's Report a Problem (reportaproblem.apple.com). For the app's own technical support and contact, use the developer's official website or the Calcudoku (Puzzle) App Store page.

Calcudoku (Puzzle) Positive Reviews and Ratings

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Calcudoku (Puzzle) Screenshots

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