# 구구단 (구구단게임, 구구단외우기)

> It is a multiplication table that memorizes through games in a fun and natural way. It is the best for quick memorization of multiplication tables because you can tell the wrong answer and restart the game with just the wrong answer.

Canonical page: [https://chrome-stats.com/d/com.easystudy.speed99](https://chrome-stats.com/d/com.easystudy.speed99)

## Overview

- **ID:** `com.easystudy.speed99`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** 오감소프트
- **Category:** EDUCATION
- **Downloads:** 14,652
- **Version:** 2.31
- **Last updated:** 2026-07-14
- **First published:** 2019-09-22
- **Publisher country:** KR
- **Size:** 6.95 MB
- **Data as of:** 2026-09-07
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.easystudy.speed99)
- **Website:** [https://forutuber.blogspot.com/](https://forutuber.blogspot.com/)
- **Privacy policy:** [https://blog.naver.com/formylifeapp/221971689339](https://blog.naver.com/formylifeapp/221971689339)

## Description

구구단 (구구단게임, 구구단외우기)은 게임을 통해 자연스럽고 재미있게 구구단을 암기할 수 있는 교육용 크롬 확장 프로그램입니다. 틀린 답변만 골라 다시 학습할 수 있어 빠른 암기에 도움이 됩니다. 음성 안내로 틀린 답을 효과적으로 알려주며, 학습 성장을 그래프로 확인해 성취감을 느낄 수 있습니다.

초보자도 단계별 학습과 게임 플레이를 따라가며 1주일 내에 구구단을 완벽히 외울 수 있습니다. 다양한 기능과 사운드, 진동 효과 설정, 구구단 노래 영상 연동 등 교육 효과를 극대화하는 요소가 포함되어 있습니다.

## Rankings

- #486,881 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.easystudy.speed99)