Lockscreen English Word Android
Lockscreen English Word gets 100+ downloads a day worldwide (AppInsider estimate, September 2026, rounded down to a band).
Lockscreen English Word is #19 in Education Free on Google Play in South Korea and charting in 1 of 15 countries we track.
Updated 27 Sep 2026 · rankings refresh through the day
DeveloperWafour Edu
CategoryEducation
PriceFree
Released
Installs5M+
Rating★ 4.4 (29k)
Updated
Content ratingEveryone
Rating
4.4 ★
29k ratings
Measured
Best rank now
#19
Education FreeMeasured
Lockscreen English Word on Google Play
App details
App ID
com.wafour.wapiceng
Publisher
Wafour Edu
Content rating
Everyone
Lockscreen English Word downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Google Play shows an exact lifetime install count; downloads per day are its daily change (measured). When Play hasn't refreshed the count, they come from new ratings and Top Free chart positions. Confidence is the chance the real number is within half to double ours.
Where Lockscreen English Word's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
In-app revenue
Worldwide, what users spend in Lockscreen English Word before Apple and Google take their fee.
How this is calculated
Not on any Top Grossing chart: monthly active users × spend per user for its category, measured on the charted apps nearest the bottom of the charts.
Business model: In-app purchase-led
How Lockscreen English Word makes money: subscriptions, one-off purchases and ads.
In-app purchasesAds
One-off purchases
/mo
of revenue
Ads
/mo
of revenue
Where it ranks on Google Play
Every top 200 chart it appears in across 15 countries.
| Country | Charts | Rank |
|---|---|---|
| South Korea | EducationFree | #19 |
Apps near Lockscreen English Word on the chart
Education Free, around #19.
Ratings
Google Play, worldwide.
Rating
4.4 ★
29k ratings
Measured
Ratings
29k
Measured
Written reviews
1.4k
Measured
About Lockscreen English Word
Learn English words naturally by seeing them again and again.
Lockscreen English Word Alarm helps you review vocabulary on your lock screen, save words from photos, and test your memory with quizzes.
Learn with images, pronunciation, and example sentences to understand each word and how it's used.
✔ Review Words Every Time You Check Your Phone
See English words on your lock screen whenever you check your phone. Even without a dedicated study session, you can keep reviewing vocabulary throughout the day.
✔ Build Your Own Word Lists from Photos
No need to type vocabulary words one by one. Take a photo or choose an image from your gallery, and the app recognizes multiple English words. Select the words you need, add them to your own word list, and review them anytime.
✔ Remember Words with Images
Learn each word with multiple related images. Connect words with images instead of memorizing definitions alone, making them easier to remember and recall.
✔ Learn Meaning and Usage with Examples
See how words are actually used in sentences. Study with images, pronunciation, meanings, and example sentences to better understand each word. Dictionary meanings are available in 23 languages.
✔ Word Lists for Different Levels and Goals
Choose from vocabulary lists for beginners, school-level English, SAT, TOEIC, TOEFL, civil service exams, and more. Pick the word list that matches your level and goal.
✔ Focus on the Words That Matter
Save important or difficult words to Favorites so you can easily find and review them again.
✔ If You Can't Hear the Pronunciation
1. Install "Google TTS" from Google Play.
2. Go to Settings → Language & Input → Text-to-Speech (TTS).
3. Set Google TTS as the preferred engine.
4. Open the Google TTS settings.
5. Go to Install Voice Data and install the English voice data.
6. Make sure your phone's media volume is turned up.
If you still can't hear the pronunciation, try deleting the English voice data and installing it again.
✔ Why We Request These App Permissions
- READ_PHONE_STATE: Used to pause the app so it doesn't interfere with phone calls. (Optional)
- ACCESS_FINE_LOCATION: Used to provide weather information based on your current location. (Optional)
- SYSTEM_ALERT_WINDOW: Used to display English vocabulary on the lock screen. (Required)
- POST_NOTIFICATION: Used to send notifications related to app services. (Optional)
✔ Notice: The lock screen display feature is used for English vocabulary learning.
✔ Lockscreen English Word Alarm provides location-based weather information for your convenience.
✔ Customer Support
E-Mail: [email protected]
Phone: +82-70-4336-1593
Lockscreen English Word Alarm helps you review vocabulary on your lock screen, save words from photos, and test your memory with quizzes.
Learn with images, pronunciation, and example sentences to understand each word and how it's used.
✔ Review Words Every Time You Check Your Phone
See English words on your lock screen whenever you check your phone. Even without a dedicated study session, you can keep reviewing vocabulary throughout the day.
✔ Build Your Own Word Lists from Photos
No need to type vocabulary words one by one. Take a photo or choose an image from your gallery, and the app recognizes multiple English words. Select the words you need, add them to your own word list, and review them anytime.
✔ Remember Words with Images
Learn each word with multiple related images. Connect words with images instead of memorizing definitions alone, making them easier to remember and recall.
✔ Learn Meaning and Usage with Examples
See how words are actually used in sentences. Study with images, pronunciation, meanings, and example sentences to better understand each word. Dictionary meanings are available in 23 languages.
✔ Word Lists for Different Levels and Goals
Choose from vocabulary lists for beginners, school-level English, SAT, TOEIC, TOEFL, civil service exams, and more. Pick the word list that matches your level and goal.
✔ Focus on the Words That Matter
Save important or difficult words to Favorites so you can easily find and review them again.
✔ If You Can't Hear the Pronunciation
1. Install "Google TTS" from Google Play.
2. Go to Settings → Language & Input → Text-to-Speech (TTS).
3. Set Google TTS as the preferred engine.
4. Open the Google TTS settings.
5. Go to Install Voice Data and install the English voice data.
6. Make sure your phone's media volume is turned up.
If you still can't hear the pronunciation, try deleting the English voice data and installing it again.
✔ Why We Request These App Permissions
- READ_PHONE_STATE: Used to pause the app so it doesn't interfere with phone calls. (Optional)
- ACCESS_FINE_LOCATION: Used to provide weather information based on your current location. (Optional)
- SYSTEM_ALERT_WINDOW: Used to display English vocabulary on the lock screen. (Required)
- POST_NOTIFICATION: Used to send notifications related to app services. (Optional)
✔ Notice: The lock screen display feature is used for English vocabulary learning.
✔ Lockscreen English Word Alarm provides location-based weather information for your convenience.
✔ Customer Support
E-Mail: [email protected]
Phone: +82-70-4336-1593
What's new in 2.0.12.2
- Improved stability