Yes, 上海商業儲蓄銀行『預約交易』 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.
上海商業儲蓄銀行『預約交易』 is free.
To get estimated revenue of 上海商業儲蓄銀行『預約交易』 app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.