Performance · Worldwide
Downloads & Revenue estimates
Monthly, by storefront, with daily history
Rating · WW
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0 ratings
Chart position
Apple's Top Free chart — free apps ranked by recent downloads.
Ratings count — US
Not enough history yet.
Listing
使用者可查詢借閱紀錄、APP提供遲還及預借可提取通知。使用者可搜尋書本。使用者可看到最新書本及老師推薦書本資料
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