Lockscreen Korean Vocabulary
Lockscreen Korean Vocabulary Summary
Lockscreen Korean Vocabulary is a ad-supported, with in-app purchases Android app in Education by Wafour Edu. It has about 114.1K+ installs Based on AppGoblin estimates, it reaches roughly 3.9K monthly active users and generates around $<10K monthly revenue (64% IAP / 36% ads). Store metadata: updated Feb 12, 2026, version 84.
Recent activity: 1.3K installs this week (4.5K over 4 weeks) showing steady growth View trends →
Data tracking: SDKs and third-party integrations were last analyzed on Feb 7, 2026. The app's network data flows (API traffic to/from the app and its SDKs) were last crawled on Jul 15, 2025.
Store info: Last updated on Google Play on Feb 12, 2026 (version 84).
Lockscreen Korean Vocabulary was last scanned for SDKs 2026-02-07. Below is the overview of third party companies detected in the app. The full list of raw SDKs, app permissions and unknown SDKs is available here.
Google
Sentry.io
Unity
Bumptech
LinkedIn
Firebase
Google Analytics
PubNative
Vungle
AdMob
Kakao2.46★
Ratings: 0
Screenshots
App Description
Study and understand, Alarm Korean vocabulary for school courses on lockscreen
Are you having trouble understanding Korean?
To understand and express yourself in Korean, a vocabulary is essential. A robust vocabulary helps in accurately grasping the context and clearly understanding complex concepts.
A rich vocabulary allows you to express your thoughts more accurately and effectively, forming the foundation for academic success and overall language proficiency.
Additionally, vocabulary plays a crucial role in exam preparation and writing. A lack of vocabulary can lead to difficulty in conveying information and may result in incorrect interpretations.
Master Korean with Lockscreen Korean Vocabulary!
Lockscreen Korean Vocabulary helps you improve your vocabulary by allowing you to study Korean vocabulary from middle and high school courses.
✔Vocabulary Notes
Users can select vocabulary based on their level. Vocabulary is provided at various levels, categorized according to the middle and high school curriculum.
✔Learning Mode
Helps users understand vocabulary through definitions and examples, making it easier to grasp.
✔Example Mode
Demonstrates how to use vocabulary in actual sentences, enabling a more practical understanding of the words.
✔Quiz
Tests the user’s vocabulary knowledge through various types of quizzes, helping ensure accurate memorization of learned vocabulary.
✔Quiz Alarm Memorization
Allows users to receive quiz alerts periodically at their desired times and memorize through quizzes. Users can select word lists based on their level and track their learning progress through statistics.
✔Incorrect Answer Notes
A feature that lets users review the questions they got wrong, helping them focus on areas that need improvement.
✔Settings
Users can freely adjust various settings such as the app theme, font, etc., to create a personalized learning environment.
✔Purpose of App Permissions Requested Before Installation
- READ_PHONE_STATE: Permission to stop the app from running to avoid interrupting phone calls.(optional)
- ACCESS_FINE_LOCATION: Permission to request your current location to use the weather service.(optional)
- SYSTEM_ALERT_WINDOW: Permission to display Korean vocabulary on the lock screen.(required)
- POST_NOTIFICATION: Permission to receive alarms related to app services.(optional)
Note: The sole purpose of this app is to help you learn Korean vocabulary on the lock screen.
Auto-Memorize Korean Vocabulary also provides location-based weather information for your convenience.
✔HelpDesk Contact:
E-Mail: support@wafour.com
+82 70 4336 1593