Yes, 二维码扫描器.Qr code reader is completely free and it doesn't have any in-app purchases or subscriptions.
Not enough reviews to make a reliable assessment. The app needs more user feedback.
二维码扫描器.Qr code reader is free.
To get estimated revenue of 二维码扫描器.Qr code reader app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.