Call Number Shelf Trainer2026
Offline library shelving
Only for iPhone
$0.29 · Designed for iPhone. Not verified for macOS.
iPhone
Call Number Shelf Trainer is an offline tool designed for library shelving practice, library and information science study, and staff training. Practice Chinese Library Classification recognition, call number breakdowns, same-class book ordering, and shelf position judgment.
It is useful for pre-employment self-study, pre-shift review, daily training, and exam preparation. The app requires no login, does not connect to the internet, and does not collect personal data. Practice progress, mistakes, and statistics stay locally on your device.
Compared with notes or spreadsheets, it offers sorting drills closer to real library shelving work, mistake review, and quick rule lookup, helping learners train with clear goals in a focused professional tool.
Ratings & Reviews
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Added a feedback feature.
The developer, Nanjing Yunxiaochuang Technology Co., Ltd, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Nanjing Yunxiaochuang Technology Co., Ltd
- Size
- 815.1 KB
- Category
- Books
- Compatibility
Requires iOS 15.6 or later.
- iPhone
Requires iOS 15.6 or later. - iPod touch
Requires iOS 15.6 or later. - Mac
Requires macOS 12.5 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 8 more
- English, French, German, Japanese, Korean, Portuguese, Russian, Simplified Chinese, Spanish
- Age Rating
4+
- 4+
- Copyright
- © callNumberTrainer-dh-2026
