Yes, 配网智能锁管理系统 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.
配网智能锁管理系统 is free.
To get estimated revenue of 配网智能锁管理系统 app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.