# 구구단 친구들

> An app for children who have started to memorize multiplication tables! These days, 9-speed is standard! There are many children who memorize up to 19 dan. Let's memorize up to 19th dan nicely through Gugudan friends

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

## Overview

- **ID:** `com.christopher.d.masters`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** GRAY WORLD
- **Category:** GAME\_TRIVIA
- **Downloads:** 16,165
- **Version:** 1.29
- **Last updated:** 2025-08-28
- **First published:** 2015-04-08
- **Publisher country:** KR
- **Size:** 3.25 MB
- **Data as of:** 2026-09-07
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.christopher.d.masters)
- **Website:** [https://dbrhksah-google-app.blogspot.com/](https://dbrhksah-google-app.blogspot.com/)
- **Privacy policy:** [https://dbrhksah-google-app.blogspot.com/2023/05/PrivacyPolicy.html](https://dbrhksah-google-app.blogspot.com/2023/05/PrivacyPolicy.html)

## Description

**구구단 친구들**은 아이들이 2단부터 19단까지 구구단을 쉽고 재미있게 외울 수 있도록 도와주는 크롬 확장 프로그램입니다. 지루한 무작정 암기 대신, 다양한 게임과 구구단 노래로 아이들의 학습 흥미를 높여줍니다.

주요 기능으로는 구구단 암송, 구구단 테스트, 게임, 그리고 구구단 노래가 포함되어 있어 전통적인 암기법과 놀이 학습을 결합했습니다. 특히, 9단을 넘어 19단까지 확장된 학습 범위로 다양한 수준의 어린이들에게 적합합니다. 아이들이 즐겁게 반복 학습하며 구구단을 완벽하게 마스터할 수 있는 최적의 도구입니다.

## Rankings

- #468,997 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.ACCESS_WIFI_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.RECEIVE_BOOT_COMPLETED`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`

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