# 맞추다 - 자격증 CBT 기출문제 전기 건축 산업안전

> Approximately 45 previous exam questions for certification exams, including electrical engineers, architects, industrial safety engineers, construction safety engineers, and fire safety engineers, implemented in a CBT environment. Exclusive Maeil Business Newspaper test questions.

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

## Overview

- **ID:** `com.valueismlab.machuda`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Machuda
- **Category:** EDUCATION
- **Downloads:** 125,880
- **Version:** 4.6.23
- **Last updated:** 2026-08-04
- **First published:** 2021-11-30
- **Publisher country:** KR
- **Size:** 28 MB
- **Data as of:** 2026-09-11
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.valueismlab.machuda)
- **Website:** [https://machuda.kr](https://machuda.kr/)
- **Privacy policy:** [https://sites.google.com/view/machuda-policy/%ED%99%88](https://sites.google.com/view/machuda-policy/%ED%99%88)

## Description

With 100,000 monthly users, Matchda is a CBT-style study app for practicing past exam questions across electrician, architectural, industrial safety, construction safety, and fire-safety exams. It includes roughly 45 exclusive Maeil test questions and supports solving on PCs, tablets, and mobile devices.

Key features include automatic grading, premium expert commentary, automatically generated error notes, theme-based solutions (premium), personalized learning, solution history analysis, a past-question review system, and a powerful problem search. The platform covers many fields and plans to add more; available from iOS 13.

## Rankings

- #198,546 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.INTERNET`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.RECEIVE_BOOT_COMPLETED`
- `android.permission.REORDER_TASKS`
- `android.permission.USE_FULL_SCREEN_INTENT`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `com.android.vending.BILLING`
- `com.google.android.c2dm.permission.RECEIVE`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`
- `com.google.android.providers.gsf.permission.READ_GSERVICES`
- `com.huawei.appmarket.service.commondata.permission.GET_COMMON_DATA`
- `com.samsung.android.mapsagent.permission.READ_APP_INFO`
- `com.valueismlab.machuda.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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