Reading space

A reading record app that lets you quickly check whenever you think "Did I already have this book?" Simply scan a barcode to easily register books. No ads, no account required—it won't interrupt your reading time. It also supports library inventory searches.

https://apps.apple.com/jp/app/%E8%AA%AD%E6%9B%B8%E7%A9%BA%E9%96%93-%E6%9C%AC%E6%A3%9A-%E8%AA%AD%E6%9B%B8%E8%A8%98%E9%8C%B2/id6787682270