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What changed · US
Listing changes AppTracker has observed for this app in this storefront — new versions, price moves, rating shifts, and store copy.
Aug 26, 2026
New version
1.0 → 1.1
About
This app is a fully offline call number and bookshelf arrangement tool. It does not require registration or login, does not connect to the internet, and does not collect user data. All book records, shelf locations, labels, and backups are stored locally on the user’s device.
Details
Developerhao du
ReleasedJul 2026
UpdatedJul 2026
Version1.1
Size6.4 MB
RequiresiOS 15.6 or later
Age rating4+
LanguagesChinese, English, French, German, Japanese, Korean, Portuguese, Russian, Spanish
Price$0.29
Categories
Bundle IDcom.duhao.apps.callNumberShelf