# 틈틈봇-전기공사기사 (잠금화면에서 자동학습)+알람

> Every time you turn on your phone, it is a lock screen learning app designed to automatically study previous questions for the electrician's certification exam one by one.

Canonical page: [https://chrome-stats.com/d/com.tmtmapp.engelecwork](https://chrome-stats.com/d/com.tmtmapp.engelecwork)

## Overview

- **ID:** `com.tmtmapp.engelecwork`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** 틈틈봇 (잠금화면에서 틈틈이, 자동으로 시험공부)
- **Category:** EDUCATION
- **Downloads:** 3,607
- **Version:** 1.8.7
- **Last updated:** 2026-08-19
- **First published:** 2022-03-28
- **Publisher country:** KR
- **Size:** 189 MB
- **Data as of:** 2026-09-13
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.tmtmapp.engelecwork)
- **Website:** [http://www.examscreen.com](http://www.examscreen.com/)
- **Privacy policy:** [https://tmtmapp.com/privacy](https://tmtmapp.com/privacy)

## Description

틈틈봇-전기공사기사 (잠금화면에서 자동으로 자격증공부) is an innovative Android app that allows users to study for the electrician certification exam by displaying questions every time they turn on their phone. This app features a comprehensive database of past exam questions, automatic learning functions, and various study aids, offering a seamless way to prepare for the exam on the go. Best of all, the app is currently free and designed to help users strengthen their understanding of electrical concepts effectively.

## Rankings

- #795,262 — Overall

## Permissions and access

### Permissions

- `READ_PHONE_NUMBERS`
- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_COARSE_LOCATION`
- `android.permission.ACCESS_FINE_LOCATION`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.ACCESS_WIFI_STATE`
- `android.permission.CAMERA`
- `android.permission.CHANGE_WIFI_STATE`
- `android.permission.DISABLE_KEYGUARD`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.FOREGROUND_SERVICE_SPECIAL_USE`
- `android.permission.INTERNET`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.READ_BASIC_PHONE_STATE`
- `android.permission.READ_EXTERNAL_STORAGE`
- `android.permission.READ_PHONE_STATE`
- `android.permission.RECEIVE_BOOT_COMPLETED`
- `android.permission.REQUEST_COMPANION_START_FOREGROUND_SERVICES_FROM_BACKGROUND`
- `android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS`
- `android.permission.SYSTEM_ALERT_WINDOW`
- `android.permission.USE_FULL_SCREEN_INTENT`
- `android.permission.USE_FULL_SCREEN_INTENT.action.SHOW_ALARMS`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `com.amazon.privacypass.ATTEST`
- `com.coupang.mobile`
- `com.coupang.mobile.offsite`
- `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.permission.external_app_settings.USE_COMPONENT`
- `com.tmtmapp.engelecwork.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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