# 틈틈봇-대기환경기사 (잠금화면 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 atmospheric environment driver certification exam one by one.

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

## Overview

- **ID:** `com.tmtmapp.engairpollution`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** 틈틈봇 (잠금화면에서 틈틈이, 자동으로 시험공부)
- **Category:** EDUCATION
- **Downloads:** 3,040
- **Version:** 1.8.7
- **Last updated:** 2026-08-19
- **First published:** 2022-03-27
- **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.engairpollution)
- **Website:** [http://www.examscreen.com](http://www.examscreen.com/)
- **Privacy policy:** [https://tmtmapp.com/privacy](https://tmtmapp.com/privacy)

## Description

틈틈봇-대기환경기사 (잠금화면에서 자동으로 자격증공부) is an innovative Android app that offers automatic studying of atmospheric environment certification exam questions right from your lock screen, allowing users to learn effortlessly throughout the day. With features like extensive previous questions, customized study options based on strengths and weaknesses, and various motivation tools, this app makes exam preparation efficient and engaging—all at no cost.

## Rankings

- #838,372 — 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.engairpollution.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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