# 암산짱 구구단

> Multiplication table practice app for '암산짱' textbook users. (iPhone/iPad app by GYEHAUN KWON.)

- Source: https://appshunter.io/ios/app/id1555937638 (this page in markdown: same URL + `.md`)
- Developer: [GYEHAUN KWON](https://appshunter.io/developer/1455485541)
- Category: Education, Utilities
- Price: Free
- Rating: 1.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 11.0 · 238 MB
- Languages: English
- Released: 2021-03-01
- Data updated: 2026-06-15
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/id1555937638/reviews.md

## What is 암산짱 구구단?

암산짱 구구단은 주언출판사의 '암산짱' 교재 학습을 위한 주산식 암산 구구단 연습용 앱으로, 다음과 같은 기능을 제공합니다.

 - 각 단(1~9단)별 구구단 연습
 - 각 단별 랜덤 수 생성 기능
 - 타이머 기능 및 문제 수 조절 기능

## Key features

- Multiplication table practice (1-9)
- Random number generation
- Timer function
- Adjustable problem count


## Frequently asked questions about 암산짱 구구단

### What is 암산짱 구구단?

암산짱 구구단 is a free educational app designed for practicing multiplication tables from 1 to 9. It is intended to be used alongside the '암산짱' textbook.

### What are the main features of 암산짱 구구단?

The app allows users to practice each multiplication table individually, offers random number generation for varied problems, includes a timer for timed practice, and lets users adjust the number of problems presented.

### Is 암산짱 구구단 suitable for young children?

Yes, 암산짱 구구단 has an age rating of 4+, making it suitable for young children learning their multiplication facts.

### Does 암산짱 구구단 have ads?

No, 암산짱 구구단 does not contain advertisements.

### What devices is 암산짱 구구단 available on?

암산짱 구구단 is available on iPhone, iPad, and iPod devices.

### How often is 암산짱 구구단 updated?

The app was last updated on March 1, 2021, with version 1.0. There is no information on the frequency of future updates.

### Can I track my progress with 암산짱 구구단?

The app includes a timer and adjustable problem counts, which can help users gauge their speed and accuracy. However, specific progress tracking features are not detailed.

### What is the user feedback on 암산짱 구구단?

Currently, there is only one rating available, which is 1.0 stars. More user reviews would be needed to understand general sentiment.

## Version history (last 1 release)

### 1.0 — 2021-03-01

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-15.*