청구기호 정렬퀴즈 - 도서관 필수 앱
Now, learn the Korean Decimal Classification (KDC) rules—the order in which books are organized in libraries—and the call number system easily and enjoyably on your smartphone.
- Total installs
- 854
- Installs / day
- 0
- Rating
- —★
- Released
- 7 Jun 2022
- Last update
- 2 Jun 2026
- Countries
- —
Install history
exact counter from Google PlayInstalls per day · last 90 days
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
- Collects data Location, App activity and 2 others
- 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
7 in 3 groupsWhat this app can do with your phone
- 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
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
OtherNotable3
Access to miscellaneous device features that don't fit other categories
- 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
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
26/06/02 v1.4.0 화면 UI 개선, 시험 결과 공유 기능 추가 외
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