# Lockademy ロック画面で英単語学習

> Learn a new English word every time you turn on your screen. Memorize 10,000 words effortlessly on your lock screen.

Canonical page: [https://chrome-stats.com/d/com.hustleup.lockscreen.en\_ja](https://chrome-stats.com/d/com.hustleup.lockscreen.en_ja)

## Overview

- **ID:** `com.hustleup.lockscreen.en_ja`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Hustle Up Org
- **Category:** EDUCATION
- **Version:** 1.0.0
- **Last updated:** 2026-08-14
- **First published:** 2026-08-13
- **Publisher country:** KR
- **Size:** 12 MB
- **Data as of:** 2026-09-06
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.hustleup.lockscreen.en_ja)
- **Website:** [https://hustleup-official.blogspot.com/](https://hustleup-official.blogspot.com/)
- **Privacy policy:** [https://hustlingup.github.io/lockscreen-english-privacy/ja.html](https://hustlingup.github.io/lockscreen-english-privacy/ja.html)

## Description

For those who can&#39;t find a block of time to study English—you unlock your phone dozens of times a day, right? Why not turn each of those unlocks into a mini-review? Every time you turn on your screen, an English word card will appear, displaying its pronunciation, Japanese meaning, example sentence, and its translation. Simply tap to display the answer and swipe to select &quot;Remembered&quot; or &quot;Repeat.&quot;<br><br>This app&#39;s sole purpose is the lock screen. It&#39;s designed solely to display an English word card every time you turn on your screen. All other screens exist only to set up and record your learning experience on this lock screen.<br><br>Main Features:<br>• 10,000 English words arranged in order of actual usage frequency.<br>• 6 levels + ABC course (Level 0): Learn the alphabet and phonics from scratch.<br>• Spaced repetition (Leitner system): Words reappear just as you&#39;re about to forget them.<br>• Multiple-choice quiz mode: Fill in the blanks in example sentences to check your understanding.<br>• Review synonyms and antonyms together in a flashcard format.<br><br>• American English TTS audio reads both words and example sentences aloud.<br><br>• Favorites: Save words you have trouble remembering.<br><br>• Search and view all 10,000 words.<br><br>• Daily reminder notifications help you maintain your learning habit.<br><br>• Statistics screen shows your learning progress at a glance.<br><br><br>Works 100% offline after installation. No internet connection or account registration is required, and the developer never collects your data.<br><br>Free to use (with ads). For those who want to focus without ads, you can remove them with a one-time payment.<br><br><br>Seconds to remove ads each time. Thousands of words in a year. Start today.

## Rankings

- #3,137,575 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.FOREGROUND_SERVICE_SPECIAL_USE`
- `android.permission.INTERNET`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.RECEIVE_BOOT_COMPLETED`
- `android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS`
- `android.permission.SYSTEM_ALERT_WINDOW`
- `android.permission.WAKE_LOCK`
- `com.android.vending.BILLING`
- `com.android.vending.CHECK_LICENSE`
- `com.google.android.gms.permission.AD_ID`
- `com.hustleup.lockscreen.en_ja.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.hustleup.lockscreen.en_ja)