App Intel

Lockscreen Japanese Word Alarm Live

Wafour Edu9 apps · 7.2M installsEducationFree · contains adsIn-app purchases: $3.19 - $32.99 per itemcom.wafour.wapicjapanese

Always memorize Japanese words with pictures and quiz alarm on the lock screen

Total installs
1,228,254
exact · Play shows 1,000,000+
Installs / day
—
measured after our second crawl (about a day)
Rating
4.2★
3.2K ratings · 5 reviews
Released
16 Nov 2018
7.9y ago
Last update
8 Oct 2026
v2.3.11 · 3d ago
Countries
0/1
live · checked 11h ago

Install history

exact counter from Google Play
1.2M1.4M1.6M1.8M2M10 Oct11 Oct11 Oct

Installs per day · last 30 days

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Change timeline

No changes recorded yet. We compare every crawl with the previous one and list title, icon, screenshots, description, version, price and availability changes here.

Country availability

Live 0Listed, not installable 1Not listed 0
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Top countries

Country data will be available soon.

We estimate where downloads come from using the app’s position in Google Play’s top charts in about 140 countries. This app is not in any chart we have collected yet; the estimate appears as soon as it is.

Top chart positions

Not in any tracked top chart.

Permissions

13 in 5 groups
3 Sensitive5 Notable5 Routine

What this app can do with your phone

  • Know roughly where you are, using mobile towers and Wi-Fi networks
  • Know your exact location using GPS, Wi-Fi and mobile networks
  • Show its own windows or bubbles on top of other apps you are using
LocationSensitive2

Access to where your device is, using GPS or network signals

  • Know roughly where you are, using mobile towers and Wi-Fi networksapproximate location (network-based) · ACCESS_COARSE_LOCATION
  • Know your exact location using GPS, Wi-Fi and mobile networksprecise location (GPS and network-based) · ACCESS_FINE_LOCATION
PhoneNotable1

Access to phone calls, call history, and voicemail

  • See your phone number, device IDs, whether a call is active, and the other caller's numberread phone status and identity · READ_PHONE_STATE
Device ID & call informationNotable1

Access to your phone's identifiers, mobile network details, and call status

  • See your phone number, device IDs, whether a call is active, and the other caller's numberread phone status and identity · READ_PHONE_STATE
Wi-Fi connection informationRoutine1

Access to details about Wi-Fi networks your device sees or uses

  • See whether Wi-Fi is on and details of the network you are connected toview Wi-Fi connections · ACCESS_WIFI_STATE
OtherSensitive8

Access to miscellaneous device features that don't fit other categories

  • Show its own windows or bubbles on top of other apps you are usingdraw over other apps · SYSTEM_ALERT_WINDOW
  • Start itself automatically as soon as your phone finishes turning onrun at startup · RECEIVE_BOOT_COMPLETED
  • Bring apps to the front or send them to the backgroundreorder running apps · REORDER_TASKS
  • Keep your phone's processor or screen from going to sleep, which can use more batteryprevent device from sleeping · WAKE_LOCK
  • Check whether you are online and whether you use Wi-Fi or mobile dataview network connections · ACCESS_NETWORK_STATE
  • Connect to the internet to load content and send datafull network access · INTERNET
  • Make your phone vibratecontrol vibration · VIBRATE
  • Receive push messages sent from the app's servers over the internetreceive data from Internet · com.google.android.c2dm.permission.RECEIVE

Sensitive = can reach personal data, location, camera/mic or act on your behalf. Notable = changes how your device behaves. Routine = normal for almost every app. Source: Google Play's permission list for all versions of this app.

Store listing

Full description
✔ What makes Auto-Memorize Japanese different? Memorizing words as plain text can get boring, and it’s easy to forget what you’ve studied. Auto-Memorize Japanese helps you learn words and expressions more naturally with 5 million photos, practical example sentences, audio pronunciation, interactive quizzes, and short-form lessons. ✔ Smart features for effective studying • Lock Screen Learning Review Japanese words naturally throughout the day, every time you wake your phone. • [NEW] Short-Form Lessons Learn essential Japanese expressions with quick, bite-sized videos that make studying simple, fun, and engaging. • Auto Study Review word cards automatically in slideshow mode. You can customize pronunciation repetitions and the time between cards. • Dark Mode Support Study comfortably day or night with an eye-friendly dark theme. ✔ Personalized study management • Quiz Alarms Set quiz alarms at your preferred time, review what you’ve learned, and track your study progress. • Word Quizzes Review words through interactive quizzes and reinforce your memory with repeated practice. • Level-Based Word Lists Learn with a wide range of word lists, from basic Hiragana and Katakana to JLPT N5–N1 and business Japanese expressions. • [NEW] Create Your Own Word Lists Save words found through search or photo recognition into custom lists, so you can focus on exactly what you want to study. • Hide Memorized Words Mark mastered words with a strikethrough and exclude them from future study sessions. ✔ Rich learning content • Practical Example Sentences Learn how words are used in context through helpful example sentences and Japanese audio. • Photo-Based Word Learning Connect words with relevant images to remember meanings and real-life situations more easily. • Integrated Search Quickly search any word and check its meaning, pronunciation, and example sentences all in one place. ✔ If you can’t hear the audio If Japanese pronunciation is not playing, please follow these steps: 1. Search for and install or update "Speech Services by Google" from the Play Store. 2. Go to Settings > Language & Input > Text-to-Speech (TTS) settings. 3. Change the preferred engine to "Speech Services by Google." 4. Install Japanese voice data in the Text-to-Speech settings. 5. Check your device’s media volume. ※ If the issue persists, try deleting the Japanese voice data and reinstalling it. ✔ App permissions • SYSTEM_ALERT_WINDOW (Required): Used to display Japanese words over the lock screen. • READ_PHONE_STATE (Optional): Used to prevent the study screen from interrupting phone calls. • ACCESS_FINE_LOCATION (Optional): Used to provide weather information based on your current location. • POST_NOTIFICATION (Optional): Used to send quiz and study-related notifications. ✔ Notice: Auto-Memorize Japanese is designed to support your learning through lock screen repetition, quizzes, custom word lists, dictionary search, and short-form lessons. ✔ For your convenience, the app provides location-based weather information. ✔ Customer Support E-Mail: [email protected] Phone: +82-70-4336-1593

What's new

- Data improvements

Growing in Education

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