# MathDoku — Number Puzzle

> Daily math puzzle. Calm focus.

Canonical page: [https://chrome-stats.com/d/id6779338411](https://chrome-stats.com/d/id6779338411)

## Overview

- **ID:** `id6779338411`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** l0g1c.us
- **Category:** Puzzle
- **Version:** 1.0
- **Last updated:** 2026-06-18
- **First published:** 2026-06-18
- **Size:** 4.07 MB
- **Data as of:** 2026-09-19
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/mathdoku-number-puzzle/id6779338411)
- **Website:** [https://brainrash.com/games/mathdoku](https://brainrash.com/games/mathdoku)
- **Privacy policy:** [https://brainrash.com/privacy](https://brainrash.com/privacy)

## Description

New: Grandmaster 9×9 worlds + a sharper hint engine. Start your streak today — one elegant puzzle, every day.

MathDoku turns a quiet ten minutes into the best brain workout in your day.

Inside every grid is a small, elegant arithmetic puzzle (also known as Calcudoku): fill each row and column with the numbers 1 to N without repeats, while the cells inside each outlined "cage" combine — using add, subtract, multiply, or divide — to hit its target. No guesswork. Just clean, deductive reasoning.

WHY YOU'LL LOVE MATHDOKU
• 180 hand-curated, uniquely-solvable puzzles across 6 difficulty tiers — Easy 4×4 all the way up to Grandmaster 9×9.
• A free Daily Challenge every calendar day — the same puzzle for everyone, with a streak that grows the longer you keep showing up.
• Smart hints that point to the next deductive move when you're stuck, never the answer.
• Stars, best times, and progress that unlock the next world as you sharpen up.
• Five gorgeous themes — Parchment, Midnight, Meadow, Orchid, Sunset — pick the mood, then crush the grid.
• Subtle sound and haptics that celebrate every correct placement.
• Game Center leaderboards and achievements when you want to compete.
• A shareable solve card so you can flex on the group chat.

BUILT TO LAST
• Fully offline. No accounts. No network. No ads. No interruptions.
• Color-blind palette, VoiceOver labels, Dynamic Type — accessibility built in.
• Right-to-left layout for Arabic; localized in 11 languages.
• Onboarding teaches by doing — tap a real puzzle, no walls of text.

MathDoku is the puzzle for people who love crosswords but want something more rigorous, for sudoku fans who want a sharper challenge, and for anyone who finds calm in the click of a number falling into the only place it can possibly go.

Open the app. Solve one. See the streak begin.

## Rankings

- #1,415,304 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6779338411)