Yes, 第一金證券 e鍵開戶 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.
第一金證券 e鍵開戶 is free.
To get estimated revenue of 第一金證券 e鍵開戶 app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.