# 틈틈봇-승강기기능사 (잠금화면 자동 자격증공부)+알람

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

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

## Overview

- **ID:** `com.tmtmapp.craftselevator`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** 틈틈봇 (잠금화면에서 틈틈이, 자동으로 시험공부)
- **Category:** EDUCATION
- **Downloads:** 4,123
- **Version:** 1.8.7
- **Last updated:** 2026-08-19
- **First published:** 2022-03-29
- **Publisher country:** KR
- **Size:** 190 MB
- **Data as of:** 2026-09-13
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.tmtmapp.craftselevator)
- **Website:** [http://www.examscreen.com](http://www.examscreen.com/)
- **Privacy policy:** [https://tmtmapp.com/privacy](https://tmtmapp.com/privacy)

## Description

틈틈봇-승강기기능사 (잠금화면에서 자동으로 자격증공부) is an innovative Android app designed for automatic learning of elevator technician certification questions directly from your lock screen. Every time you activate your phone, a question appears, helping you study effortlessly. The app features a comprehensive database of previous questions, explanations, and tools for enhancing your learning efficiency, all provided completely free of charge.

## Rankings

- #762,018 — 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.craftselevator.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

## Similar extensions and apps

- [틈틈봇-자동차정비기능사 (잠금화면에서 자동 학습)+알람](https://chrome-stats.com/d/com.tmtmapp.craftmainmotor) — 6,342 users
- [틈틈봇-정보처리기능사 (잠금화면 자동 시험공부)+알람](https://chrome-stats.com/d/com.tmtmapp.craftinfopro) — 1,764 users
- [틈틈봇-전산응용기계제도기능사 (잠금화면 자동학습)+알람](https://chrome-stats.com/d/com.tmtmapp.craftdrawing) — 2,726 users
- [틈틈봇-지게차, 굴착기 운전기능사 (잠금화면)+알람](https://chrome-stats.com/d/com.tmtmapp.craftforklift) — 43,438 users
- [틈틈봇-자동차차체수리기능사 (잠금화면 자동학습)+알람](https://chrome-stats.com/d/com.tmtmapp.craftrepairmotor) — 922 users
- [틈틈봇-식품기사 (잠금화면 자동 자격증시험공부)+알람](https://chrome-stats.com/d/com.tmtmapp.engfood) — 1,145 users
- [틈틈봇-자동차정비산업기사 (잠금화면에서 자동학습)+알람](https://chrome-stats.com/d/com.tmtmapp.indengmainmotor) — 2,359 users
- [틈틈봇-소방설비기사 (전기, 기계) (잠금화면 알람)](https://chrome-stats.com/d/com.tmtmapp.engfireelec) — 61,985 users
- [틈틈봇-산업안전산업기사 (잠금화면에서 자동학습)+알람](https://chrome-stats.com/d/com.tmtmapp.indengsafety) — 47,590 users
- [틈틈봇-건설안전기사 (잠금화면 기출문제 자동학습)+알람](https://chrome-stats.com/d/com.tmtmapp.engsconsafety) — 44,864 users
- [틈틈봇-전기공사기사 (잠금화면에서 자동학습)+알람](https://chrome-stats.com/d/com.tmtmapp.engelecwork) — 3,607 users
- [틈틈봇-전기기사 (잠금화면에서 자동 자격증 공부)+알람](https://chrome-stats.com/d/com.tmtmapp.engelec) — 81,580 users

---

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