WordCow-背單字 多益 學測 高中 托福 統測 會考
It ’s so simple to memorize a word. Learn a word automatically through the lock screen. Every day I use single-word cattle, and my English becomes even better.
- Total installs
- 178,835
- Installs / day
- +8
- Rating
- 4.7★
- Released
- 2 Jun 2019
- Last update
- 24 Oct 2025
- Countries
- —
Installs per day
gain of the exact counterDaily tracking since 11 Oct 2026 · history grows every day
Install history
exact counter from Google PlayDashed: estimate from the release date (no daily data before 11 Oct 2026) · time axis compressed before that day
Daily tracking since 11 Oct 2026 · history grows every day
Change timeline
Full historyNo 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
Availability has not been checked for this app yet. “Check all countries” looks the app up in about 140 Google Play storefronts and shows where it is live, listed but not installable, or missing — plus any country-specific (custom) store listings.
Top countries
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.
App manifest
Read this app's manifest from Google Play: permissions, declared SDKs, components and AdMob app ID. Saved analysis appears here automatically.
Data safety
declared by the developer on Google Play- No data shared with third parties
- No data collected
- Data is encrypted in transit
- No way to ask for data deletion
This is the developer's own declaration, summarised from the Play listing. The permissions below show what the app is technically able to access.
Permissions
17 in 7 groupsWhat 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
- Read photos, videos, and other files saved in your phone's shared storage
- Add, change or delete photos, videos and other files in your phone's storage
- 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
Photos/Media/FilesSensitive2
Access to photos, videos, music and other files stored on your device
- Read photos, videos, and other files saved in your phone's shared storageread the contents of your USB storage ·
READ_EXTERNAL_STORAGE - Add, change or delete photos, videos and other files in your phone's storagemodify or delete the contents of your USB storage ·
WRITE_EXTERNAL_STORAGE
StorageSensitive2
Access to files, photos and media saved on your phone's storage
- Read photos, videos, and other files saved in your phone's shared storageread the contents of your USB storage ·
READ_EXTERNAL_STORAGE - Add, change or delete photos, videos and other files in your phone's storagemodify or delete the contents of your USB storage ·
WRITE_EXTERNAL_STORAGE
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 - 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 - Check with Google Play that you got this app legitimatelyGoogle Play license check ·
com.android.vending.CHECK_LICENSE - 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's new
●20251025_101 1.更新例句資料庫,每個單字有三個例句 2.更新16KB Page Size Support ●20250907_99 1.修正一些crash的bug 2.修正例句不能播放的問題 3.新增15張Wallpaper桌布 4.新增播放所有單字的功能 5.新增聽選測驗(英選中) 6.增加測驗單字數量到50個單字 ●20240716_93 1.新增30張Wallpaper桌布 2.升級OpenSSL套件增加APP安全性 ●20240713_91 修正Android13、14的Bug ●20240704_85 優化Android13、14的效能 ●20240219_80 更新 Android 14手機的問題 ●20240219_78 修正學習提醒崩潰的問題 ●20240217_74 0.更新新版SDK 1.修正學習提醒不運作的問題 2.資料庫勘誤更新。 ● 20190621_15 1.單字資料庫勘誤更新 2.修正 搜尋單字打太快時,有時候會Crash的問題 2.修正 例句發音錯位的問題
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