# Math Clash

> Anyone can master mental arithmetic up to 99 x 99! Test your skills in rated matches and time attacks!

Canonical page: [https://chrome-stats.com/d/com.rrrsa.multiplication\_app](https://chrome-stats.com/d/com.rrrsa.multiplication_app)

## Overview

- **ID:** `com.rrrsa.multiplication_app`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** rrrsa
- **Category:** GAME\_EDUCATIONAL
- **Downloads:** 35
- **Last updated:** 2026-08-17
- **First published:** 2025-07-16
- **Publisher country:** JP
- **Data as of:** 2026-09-15
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.rrrsa.multiplication_app)
- **Website:** [https://your-app-ads-txt.web.app/](https://your-app-ads-txt.web.app/)
- **Privacy policy:** [https://note.com/honest\_cosmos141/n/n2909a5c80eda](https://note.com/honest_cosmos141/n/n2909a5c80eda)

## Description

Multiplication between two digits, like &quot;12 x 17.&quot; Wouldn&#39;t you like to be able to solve it mentally?<br>&quot;Math Clash&quot; is Japan&#39;s first full-scale math training dojo specializing in double-digit x double-digit mental arithmetic.<br>Come and enjoy competitions and time attacks!<br><br>We&#39;ll explain nine easy-to-understand calculation techniques so anyone can master mental arithmetic. Master each one and dramatically improve your calculation speed.<br><br>What you can do with &quot;FlashMath - Online Mental Arithmetic Battles&quot;<br><br>📖 Learn Techniques: Learn nine tips with easy-to-understand illustrations to dramatically speed up your calculations, including &quot;multiplication of 11-19&quot; and &quot;multiplication with the same tens digit.&quot; Train thoroughly in the dedicated practice mode.<br><br>⏱️ Experience your growth: Challenge your concentration and speed for three minutes in &quot;Time Attack&quot; mode! Your daily score is automatically graphed, so you can see your progress at a glance.<br><br>🔥 Test your skills: Use the &quot;Online Battle&quot; feature to challenge rivals from all over the country! Serious battles with betting ratings will take you to new heights. You can also challenge friends to password battles.<br><br>Don&#39;t let anyone say you&#39;re bad at math anymore.<br>Experience a dramatic improvement in your calculation skills!

## Rankings

- #2,397,163 — Overall

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